The Great Treehouse War

Book review by
Joly Herman, Common Sense Media
The Great Treehouse War Book Poster Image
Zany kids-vs.-parents tale is set against a tough divorce.

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Kids say

age 9+
Based on 2 reviews

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The parents' guide to what's in this book.

Educational Value

Exposes kids to the tensions and difficulties of a tough divorce and custody arrangements. It's written as a "collective memoir'" by a fifth-grade class for a writing contest, with running notes from classmates. A bookworm classmate makes lots of references to other books such as Anne of Green Gables and Watership Down. The characters learn about consulates, embassies, and their rights as citizens. There are illustrated inserts in the text about how to make or do certain things, like friendship bracelets, Scrabble tips, and puppet crafts.

Positive Messages

Friends can support you when you feel alone. Everyone is good at something. Kids have their own wisdom. Kids can ask for what they want and what they need from parents.

Positive Role Models & Representations

Winnie's Uncle Huck is a helpful adult who builds her tree house and supports her when she's feeling overwhelmed. Winnie's parents, however, think of themselves first.


A kid falls out of the tree house and breaks his arm.




Froot Loops are Winnie's main meal -- they're mentioned often. A recipe based on Cheetos. Scrabble.

Drinking, Drugs & Smoking

What parents need to know

Parents need to know that veteran kids' books author Lisa Graff tackles the subject of divorce and kids' rights in The Great Treehouse War. The parents in this book literally put their daughter, Winnie, in the middle of their divorce at the end of her fourth-grade year. They demand an absolutely even time share, argue in front of her ("I'd like to erase you," her mother says to her father), and build rituals and holidays around besting the other parent. It's up to the child to act, and she sequesters herself in a kitted-out tree house, where she's been spending her Wednesdays to keep the time share even. But by the end of fifth grade she's nearly failing due to her parents' disruptive behavior. Luckily her friends join her fight, bringing laughter and support. The book is presented as a "collective memoir" written by Winnie and her classmates. Though the kids-vs.-parents theme is funny, this book might hit a little too close to home for kids caught in a custody battle.

User Reviews

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Kid, 9 years old March 18, 2018

Funny, relatable Kids Vs. Parents story

This book is really good! I was recommended to read it by a friend and I am not disapppointed. The book is funny, relatable, and very hard to put down. I loved... Continue reading
Kid, 12 years old September 1, 2017

One of the best books I've ever read!

This book is about a child's divorce story, so I think that 9 years old and above would understand it. This book is also very funny and I also like the pos... Continue reading

What's the story?

In THE GREAT TREEHOUSE WAR, Indian-American Winnie's parents, a mathematician and a scientist, sit Winnie between them at the end of her fourth-grade year, put a hand on each of her knees, and tell her they are getting a divorce. They emphasize that they will split her evenly among them, having thought out a custody plan in which she will spend three days a week with one parent and three with the other -- and every Wednesday alone in the tree house her uncle has erected exactly between their two properties. As the end of the next school year approaches, Winnie finds her parents' wrangling to get a leg up on the other parent so distracting that she's dangerously close to failing fifth grade. So, she decides to stay in the tree house until someone can talk sense. The fun really begins when Winnie's friends join her to protest their own parents, turning the end of the school year into the "world's best slumberparty."

Is it any good?

This story's humorous handling of divorce leads readers on a quirky tree house adventure. Kids will love the idea: a tree house that can house 10 fifth-graders, complete with a loft, a bathroom, a sleeping beanbag, a resident cat, a zip line, an artist's corner, and lots of sugared cereal. With the exception of the teachers and a cool uncle, the adults are acting like "idiots," putting their interests first. That behavior, of course, is the point of the story -- told in the form of a "collective memoir" by Winnie and her fifth-grade classmates -- and the point of the "Tulip Street Ten," who protest the unfairness of life at home.   

Behind the fantasy and humor, however, lie serious subjects, such as child neglect and the fallout of divorce. Funny? Winnie doesn't think so -- she's terrified of failing fifth grade because her parents don't let her do her schoolwork. The threats and one-ups, arguments and manipulations are squirm-worthy. Author Lisa Graff has said this story was inspired by her own parents' divorce, but she has the advantage of being an adult who has a 30,000-foot view of it. Winnie does learn to speak up for herself, but kids who are going through custody battles might get triggered by the sheer selfishness and meanness of these parents' behavior. Though it's fun to follow 10 kids who pull off a 19-day protest in an awesome tree house, the larger question is whether the means of this story justify the end.  

Talk to your kids about ...

  • Families can talk about the divorce depicted in The Great Treehouse War. How is Winnie put in the middle? How does she learn to stand up for her well-being?

  • Can you think of any other books or movies where the kids live on their own? Is this fantasy appealing to you? Why, or why not?

  • Every kid in this book is good at some craft, game, or special thing. What are you especially good at? Do you think that having a special hobby makes you a more interesting person?

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