Twinkle, Twinkle, Elmo! A Bedtime Book Jeff Kinney See how the skeleton's flexibility

See how the skeleton's flexibility makes the body supple and agile while providing support and strength - did you know that gram for gram bone is stronger than steel

Children will delight in tying their tongues in knots

Someone's crowing

By combining the latest paleontological findings with highly detailed

and learn about the bravery and nobility of the ancient Romans and their Celtic predecessors

Twinkle, Twinkle, Elmo! A Bedtime Book Jeff Kinney See how the skeleton's flexibilityYoung children will adore cuddling up to Elmo while learning to count as five friendly stars help him get ready for bed. Fun to feel textures, peek a boo flaps and other moveable parts, as well as a mirror, fun to find squeakie and crinkle sounds invite babies and tots to explore, helping them develop important motor skills. Read More Show Less