Interest LevelReading LevelReading A-ZATOSWord Count
Grades 4 - 8Grade 4n/a3.611519

New York Times bestselling author Andy Griffiths invites readers to come hang out with him and his friend Terry in their 78-Story Treehouse―the sixth book in the illustrated chapter book series filled with Andy and Terry's signature slapstick humor!

Andy and Terry live in a 78-story treehouse. (It used to be a 65-story treehouse, but they just keep building more levels!) It has a drive-thru car wash, a courtroom with a robot judge called Edward Gavelhead, a scribbletorium, a combining machine, an ALL-BALL sports stadium, a high-security potato chip storage facility, and an open-air movie theatre with a super-giant screen . . . which is a very useful thing to have now that Terry’s going to be a big-shot movie star!

After Andy gets cut out of the movie, he and Terry have a big fight and decide they don’t want to be best friends anymore. But with a herd of sneaky spy cows out to steal all their story ideas, can Andy and Terry make up before it’s too late?

Praise for the Treehouse series:

"Anarchic absurdity at its best. . . . Denton's manic cartooning captures every twist and turn in hilarious detail." ―Publishers Weekly, starred review, on The 13-Story Treehouse

"Will appeal to fans of Jeff Kinney and Dav Pilkey. . . . The wonderfully random slapstick humor is tailor-made for reluctant readers. . . . A treat for all." ―Booklist on The 13-Story Treehouse

"Twice the treehouse, twice the fun? You bet. . . . Denton's furiously scrawled line drawings milk the silly, gross-out gags for everything they're worth. Kids should be flipping pages faster than a pair of inflatable underpants can skyrocket the young heroes to safety." ―Publishers Weekly, starred review, on The 26-Story Treehouse

Read the whole series!
The 13-Story Treehouse
The 26-Story Treehouse
The 39-Story Treehouse
The 52-Story Treehouse
The 65-Story Treehouse
The 78-Story Treehouse

Paperback, 400 pages
Published on March 12, 2019 by Square Fish
ISBN-10: 1250104831
ISBN-13: 9781250104830
3 Book Reviews
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  • spykitten
    spykittenWednesday, June 13, 2018 at 10:58 am55 stars
    This book was good. I liked it because it was worded very well and the pictures made it come to life in a way that other books don't. If anyone thought that the other books in the series were the weirdest, well, this one was crazier! It was about two kids named Andy and Terry who are making a treehouse movie, but Andy keeps bothering the director and so he gets thrown out of his own home! It doesn't really matter if you read the books before it to understand it. I think this book fits all the categories so I would recommend it to everyone!
    • minireader
      minireaderTuesday, January 23, 2018 at 8:46 pm55 stars
      lol
      • minireader
        minireaderSaturday, January 20, 2018 at 7:46 pm55 stars
        its so good

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