"The Amazing Baby[registered] Changing" picture books include slider mechanisms or lenticular panels to engage the baby reader. The latest additions to this format feature slotand - slider mechanisms that allow an additional 'layer' to appear above or to the side of the page. In "Guess Who? see baby's toys appear as if by magic. "One Little Bunny!" is an early counting book that asks the child to count the number of animals on the page before revealing the answer through moving the slot -slider up.

Illustrated by: Emma Dodd, Mike Jolley