Your child hangs back at the party, goes quiet when it is their turn, or cries the night before something new. Pick the one that fits your child. Every book here honors a quiet child instead of trying to fix them, and gently shows a way to step forward without ever saying there's something wrong with hanging back. Start with 'Shy' if you just want the softest, most understanding hug of a book, then reach for whichever of the others matches your child's age and whether it's plain shyness or a bigger, buzzier worry.
Any single one can be exactly the right book on a given night. What they share is a stance: not one of them treats a shy or worried child as a problem to be solved. 'Shy' gives shyness its own dear little character and lets it move at its own pace. 'Wemberly Worried' and 'Lena's Shoes Are Nervous' walk a small worrier straight up to the scary first day and through it, without ever telling the child to stop worrying. 'Say Something!' widens what a voice can be, so a quiet child hears that a drawing or a kind act counts as fully as talking. 'The Invisible Boy' sits with the particular ache of being unseen and makes the quiet child the hero. And 'Absolutely Almost' gives an older reader a whole tender year inside a boy who's always 'almost.' Pick by two things: how old your child is, and whether this is plain shyness or a bigger, humming anxiety.