HOO HOO WHO? By: Mary Maier and Lauren Horton Published: February 7, 2019 Publisher: Building Block Press Fiction Mary Maier wrote and illustrated this book and collaborated with speech pathologist Lauren Horton. Mary Maier’s child is one of the many children who have a speech or language delay. Her 3-year-old son Max is also on … Continue reading Children’s Book Review: Hoo Hoo Who? By Mary Maier