Ben and Théo really are super-buddies. Together, they climb to the top of the hill every day with two big boxes for long moments of daydreaming and adventure in nature.Then one day, a third boy approaches and asks to join in their games.Will Sam disrupt Ben and Theo's beautiful friendship? Little by little, Ben doesn't feel as comfortable with Theo as he used to - it's not even fun anymore.Ben withdraws, shutting himself away in his house, his solitude and his jealousy... Until the day when the other two, thanks to an incredible invention, manage to arouse his curiosity and drag him back with them.And so new adventures begin on the hill: they're three friends now, and it's even more fun and exciting than before.

• From age 4
• 40 pages