An ordinary day turns into an extraordinary adventure for three friends lying in the grass watching the clouds pass by as Zip, Trik, and Flip set off to find where the world ends. The trio journeys across fantastical landscapes-a lakeside city on stilts, a mysterious and magical forest, a snowy mountaintop-with countless delightful details for young readers to discover. Along the way, they encounter helping hands and discouraging doubters

Davide Cali is an award-winning children's book author of more than fifty books, including A Funny Thing Happened on the Way to School, The Queen of the Frogs, and When an Elephant Falls in Love. He lives in France and Italy.

Maria Dek studied art at the Academy of Fine Arts in Warsaw and University of the Arts, London. She is based in Bialowieza, Poland, in the oldest forest in Europe. Her prior books include A Walk in the Forest and When I am Big.