Why is the paperback goodnight sweet mouse by cyndy szekeres so expenxive at auction by sellers is it that rare?

The high price of the book at auction could be due to a combination of factors such as its condition, demand from collectors, and its rarity. Cyndy Szekeres' books are popular, especially among collectors of children's literature, which could drive up the selling price at auction. It's possible that the specific edition or condition of the book being auctioned is particularly rare, contributing to its high value.