Gregory and his Extra X is a children's book for kids with XXY (Klinefelter syndrome). This book helps children and adolescents with XXY understand their condit
The first picture book from National Book Award winner Kimberly Willis Holt When exactly is cousin Gregory going to be born? asks little Iris. Each family membe
Failing math but great at writing, Gregory finds the poetry (and humor) in what's hard. Gregory K is the middle child in a family of mathematical geniuses. But
Jack and his Extra Y is a children's book for kids with 47, XYY. This book helps children and adolescents with XYY understand their condition. The story follows
Elizabeth and her Extra X is a children's book for kids with Triple X or Trisomy X syndrome (47, XXX). This book helps children and adolescents with Triple X un