Thalita Dol's adorable board book series continues to paint lovely pictures of the things that make up a baby's world. In this new instalment, let's see what kinds of things babies can do! Babies can roll, sit, crawl and walk.jump, fly and drool. Second book in the Baby World series. Thalita Dol's adorable board book series continues to paint lovely pictures of the things that make up a baby's world. In this new instalment, let's see what kinds of things babies can do!.