Skip to Main Content (Press Enter) Toggle side nav

The Third Mushroom

By Jennifer L. Holm

By Jennifer L. Holm

By Jennifer L. Holm

By Jennifer L. Holm

By Jennifer L. Holm

By Jennifer L. Holm

By Jennifer L. Holm

By Jennifer L. Holm

By Jennifer L. Holm
Read by Georgette Perna

By Jennifer L. Holm
Read by Georgette Perna

Best Seller
Paperback $8.99

Mar 03, 2020 | ISBN 9781524719838 | Middle Grade (8-12)

Hardcover $16.99

Sep 04, 2018 | ISBN 9781524719807 | Middle Grade (8-12)

Hardcover $19.99

Sep 04, 2018 | ISBN 9781524719814 | Middle Grade (8-12)

Ebook $8.99

Sep 04, 2018 | ISBN 9781524719821 | Middle Grade (8-12)

Audiobook Download $14.00

Sep 04, 2018 | 218 Minutes | Middle Grade (8-12)

All Formats
+
    The Third Mushroom by Jennifer L. Holm
    Paperback $8.99
    Mar 03, 2020 | ISBN 9781524719838

    Buy from Other Retailers:

    See All Formats (4) +

    Paperback
    –

    • Paperback $8.99

      Mar 03, 2020 | ISBN 9781524719838 | Middle Grade (8-12)

      Buy from Other Retailers:

    Hardcover (2)
    +

    • Hardcover $16.99

      Sep 04, 2018 | ISBN 9781524719807 | Middle Grade (8-12)

      Buy from Other Retailers:

    • Hardcover $19.99

      Sep 04, 2018 | ISBN 9781524719814 | Middle Grade (8-12)

      Buy from Other Retailers:

    Ebook
    +

    • Ebook

      Sep 04, 2018 | ISBN 9781524719821 | Middle Grade (8-12)

      Buy from Other Retailers:

    Audio
    +

    • Audiobook Download

      Sep 04, 2018 | ISBN 9780525636144 | Middle Grade (8-12)

      218 Minutes

      Buy from Other Retailers:

    Buy the Audiobook Download:

    About The Third Mushroom

    “Believe in the unexpected” with this hilarious, heartwarming, and acclaimed sequel to the New York Times bestseller The Fourteenth Goldfish!

    Ellie’s grandpa Melvin is a world-renowned scientist . . . in the body of a fourteen-year-old boy. His feet stink, and he eats everything in the refrigerator–and Ellie is so happy to have him around. Grandpa may not exactly fit in at middle school, but he certainly keeps things interesting. When he and Ellie team up for the county science fair, no one realizes just how groundbreaking their experiment will be. The formula for eternal youth may be within their reach! And when Ellie’s cat, Jonas Salk, gets sick, the stakes become even higher. But is the key to eternal life really the key to happiness? Sometimes even the most careful experiments yield unexpected–and wonderful–results.

    About The Third Mushroom

    “Believe in the unexpected” with this hilarious, heartwarming, and much-anticipated sequel to the New York Times bestseller The Fourteenth Goldfish!

    Ellie’s grandpa Melvin is a world-renowned scientist . . . in the body of a fourteen-year-old boy. His feet stink, and he eats everything in the refrigerator–and Ellie is so happy to have him around. Grandpa may not exactly fit in at middle school, but he certainly keeps things interesting. When he and Ellie team up for the county science fair, no one realizes just how groundbreaking their experiment will be. The formula for eternal youth may be within their reach! And when Ellie’s cat, Jonas Salk, gets sick, the stakes become even higher. But is the key to eternal life really the key to happiness? Sometimes even the most careful experiments yield unexpected–and wonderful–results.

    About The Third Mushroom

    “Believe in the unexpected” with this hilarious, heartwarming, and much-anticipated sequel to the New York Times bestseller The Fourteenth Goldfish!

    Ellie’s grandpa Melvin is a world-renowned scientist . . . in the body of a fourteen-year-old boy. His feet stink, and he eats everything in the refrigerator–and Ellie is so happy to have him around. Grandpa may not exactly fit in at middle school, but he certainly keeps things interesting. When he and Ellie team up for the county science fair, no one realizes just how groundbreaking their experiment will be. The formula for eternal youth may be within their reach! And when Ellie’s cat, Jonas Salk, gets sick, the stakes become even higher. But is the key to eternal life really the key to happiness? Sometimes even the most careful experiments yield unexpected–and wonderful–results.

    About The Third Mushroom

    “Believe in the unexpected” with this hilarious, heartwarming, and much-anticipated sequel to the New York Times bestseller The Fourteenth Goldfish!

    Ellie’s grandpa Melvin is a world-renowned scientist . . . in the body of a fourteen-year-old boy. His feet stink, and he eats everything in the refrigerator–and Ellie is so happy to have him around. Grandpa may not exactly fit in at middle school, but he certainly keeps things interesting. When he and Ellie team up for the county science fair, no one realizes just how groundbreaking their experiment will be. The formula for eternal youth may be within their reach! And when Ellie’s cat, Jonas Salk, gets sick, the stakes become even higher. But is the key to eternal life really the key to happiness? Sometimes even the most careful experiments yield unexpected–and wonderful–results.

    About The Third Mushroom

    “Believe in the unexpected” with this hilarious, heartwarming, and much-anticipated sequel to the New York Times bestseller The Fourteenth Goldfish!

    Ellie’s grandpa Melvin is a world-renowned scientist . . . in the body of a fourteen-year-old boy. His feet stink, and he eats everything in the refrigerator–and Ellie is so happy to have him around. Grandpa may not exactly fit in at middle school, but he certainly keeps things interesting. When he and Ellie team up for the county science fair, no one realizes just how groundbreaking their experiment will be. The formula for eternal youth may be within their reach! And when Ellie’s cat, Jonas Salk, gets sick, the stakes become even higher. But is the key to eternal life really the key to happiness? Sometimes even the most careful experiments yield unexpected–and wonderful–results.

    Read An Excerpt

    Read An Excerpt

    Read An Excerpt

    Read An Excerpt

    Read An Excerpt

    Listen to a sample from The Third Mushroom

    Also by Jennifer L. Holm

    The BIG Adventures of Babymouse: Once Upon a Messy Whisker (Book 1)
    School-Tripped
    The Lion of Mars
    Lights, Camera, Middle School!
    Miss Communication
    See all books by Jennifer L. Holm

    Also by Jennifer L. Holm

    The BIG Adventures of Babymouse: Once Upon a Messy Whisker (Book 1)
    School-Tripped
    The Lion of Mars
    Lights, Camera, Middle School!
    Miss Communication
    See all books by Jennifer L. Holm

    Also by Jennifer L. Holm

    The BIG Adventures of Babymouse: Once Upon a Messy Whisker (Book 1)
    School-Tripped
    The Lion of Mars
    Lights, Camera, Middle School!
    Miss Communication
    See all books by Jennifer L. Holm

    Also by Jennifer L. Holm

    The BIG Adventures of Babymouse: Once Upon a Messy Whisker (Book 1)
    School-Tripped
    The Lion of Mars
    Lights, Camera, Middle School!
    Miss Communication
    See all books by Jennifer L. Holm

    Also by Jennifer L. Holm

    The BIG Adventures of Babymouse: Once Upon a Messy Whisker (Book 1)
    School-Tripped
    The Lion of Mars
    Lights, Camera, Middle School!
    Miss Communication
    See all books by Jennifer L. Holm

    About Jennifer L. Holm

    Jennifer L. Holm is a New York Times bestselling children’s author and the recipient of three Newbery Honors for her novels Our Only May Amelia, Penny From Heaven, and Turtle in Paradise. Jennifer collaborates with her brother, Matthew Holm, on… More about Jennifer L. Holm

    About Jennifer L. Holm

    Jennifer L. Holm is a New York Times bestselling children’s author and the recipient of three Newbery Honors for her novels Our Only May Amelia, Penny From Heaven, and Turtle in Paradise. Jennifer collaborates with her brother, Matthew Holm, on… More about Jennifer L. Holm

    About Jennifer L. Holm

    Jennifer L. Holm is a New York Times bestselling children’s author and the recipient of three Newbery Honors for her novels Our Only May Amelia, Penny From Heaven, and Turtle in Paradise. Jennifer collaborates with her brother, Matthew Holm, on… More about Jennifer L. Holm

    About Jennifer L. Holm

    Jennifer L. Holm is a New York Times bestselling children’s author and the recipient of three Newbery Honors for her novels Our Only May Amelia, Penny From Heaven, and Turtle in Paradise. Jennifer collaborates with her brother, Matthew Holm, on… More about Jennifer L. Holm

    About Jennifer L. Holm

    Jennifer L. Holm is a New York Times bestselling children’s author and the recipient of three Newbery Honors for her novels Our Only May Amelia, Penny From Heaven, and Turtle in Paradise. Jennifer collaborates with her brother, Matthew Holm, on… More about Jennifer L. Holm

    Product Details

    Category: Children’s Middle Grade Books

    Paperback | $8.99
    Published by Yearling
    Mar 03, 2020 | 256 Pages | 5-3/16 x 7-5/8 | Middle Grade (8-12) | ISBN 9781524719838

    Category: Children’s Middle Grade Books

    Hardcover | $16.99
    Published by Random House Books for Young Readers
    Sep 04, 2018 | 240 Pages | 5-1/2 x 8-1/4 | Middle Grade (8-12) | ISBN 9781524719807

    Category: Children’s Middle Grade Books

    Hardcover | $19.99
    Published by Random House Books for Young Readers
    Sep 04, 2018 | 240 Pages | 5-1/2 x 8-1/4 | Middle Grade (8-12) | ISBN 9781524719814

    Category: Children’s Middle Grade Books

    Ebook | $8.99
    Published by Random House Books for Young Readers
    Sep 04, 2018 | 256 Pages | Middle Grade (8-12) | ISBN 9781524719821

    Category: Audiobooks | Children’s Middle Grade Books

    Audiobook Download | $14.00
    Published by Listening Library
    Sep 04, 2018 | 218 Minutes | Middle Grade (8-12) | ISBN 9780525636144

    Praise

    “Lively, funny, and thought-provoking… a must-read sequel.” —Booklist

    “Holm delivers another thoughtful, gently humorous story.” —Publishers Weekly

    Looking for More Great Reads?
    21 Books You’ve Been Meaning to Read
    Get the latest updates from Jennifer L. Holm
    And go from well-read to best read with book recs, deals and more in your inbox every week.
    And go from well-read to best read with book recs, deals and more in your inbox every week.
    By clicking SIGN UP, I acknowledge that I have read and agree to Penguin Random House’s Privacy Policy and Terms of Use.
    Dismiss
    Thanks!
    Something awesome is on its way.
    Back to Top

    Visit other sites in the Penguin Random House Network

    Raise kids who love to read

    Brightly

    Raise kids who love to read
    Today's Top Books

    Today's Top Books

    Want to know what people are actually reading right now?
    An online magazine for today’s home cook

    TASTE

    An online magazine for today’s home cook