Giuliano Ferri was born in Pesaro, Italy in 1965 and is a graduate of the Urbino Institute of Art, where he specialized in animation. He has illustrated many picture books, which have been published all over the world, including a winner of the "Cittàdi Bitritto" Prize at the sixth Italian National Competition for Children's Literature. He has exhibited internationally, including at the Bologna International Children's Book Fair for ten years. Mr. Ferri also works with young people with disabilities, using animation and comic theater as therapy. He lives in Pesaro with his wife Monica and their new daughter Alice.

本书是一本无字儿童纸板书，画风可爱、温馨，讲述了一个简单却意义深远的故事：小老鼠的家门口有一面好大的墙，谁也不知道墙外面的世界是什么样子。有一天小老鼠发现墙上长了一朵花，小老鼠摘下花的时候，一块转掉了下来，他看到了一点点墙外的世界，于是小老鼠跟朋友们一块一块地把这些砖块敲下来，原来墙外面是一条小河，河对面还有一群小伙伴！他们灵机一动，把砖一块块的在河中垒起来建了一座桥，2队小伙伴相拥成为了新朋友。让小朋友学会建拆墙建桥的思维，对孩子一生意义很深远。