Helen Roney Sattler (March 2, 1921 – June 2, 1992) was an American children's author most famous for her award-winning books about dinosaurs.
[1] Sattler worked as an elementary school teacher and a children's librarian for eight years before pursuing a full-time writing career.
[2][3] She began to focus on natural history after receiving a request from her grandson to write a dinosaur book "that didn't have any mistakes in it.
[4] In his foreword to this exhaustive reference work, John H. Ostrom called it "the most comprehensive book on dinosaurs for the nonscientist" to date.
She was a member of the Society of Children's Book Writers and Illustrators and the American Association of University Women.