轉軸遊戲書 工程用的卡車有很多種，有泥土攪拌車、堆高機、液體運送車、拖拉機、怪手、輪式挖土機、挖掘裝載機等，他們都有堅韌的轉軸，讓機具靈活運轉，Roger Priddy專業幼兒遊戲書出版社，採用能放在書本的堅固小零件，仿做為卡車的轉軸，讓小朋友在書上體驗挖挖轉轉，移動機具。 With clever pivots and articulated parts, Pivot Book: Move It! is an imaginative new format created by Roger Priddy and is a must for little fans of things that go. Young children will love the bright, colorful illustrations and expertly-crafted moveable parts. From trucks and tractors, to diggers and cranes, each spread is packed full of different types of vehicles to spot.

Roger Priddy Roger Priddy's passion for educating children through fun, informative, and engaging books has led him to create some of publishing's most enduring and successful non-fiction early-learning books. Roger lives in London and has three children, who have been the inspiration behind many of his best publishing ideas.