Making Sense of Mathematics for Teaching Grades 3-5 (Learn and Teach Concepts and Operations with Depth: How Mathematics Progresses Within and Across Grades) by Edward C. Nolan and Juli K. Dixon (2016, E-book) by Juli K. Dixon, Edward C. Nolan 200 Pages, Published 2016 by Solution Tree Press ISBN-13: 978-1-942496-43-4, ISBN: 1-942496-43-5
Children's Books in Print, 2007 An Author, Title, and Illustrator Index to Books for Children and Young Adults Published 2006 ISBN-13: 978-0-8352-4851-8, ISBN: 0-8352-4851-8
Into Math Grade 1 by Edward B. Burger 518 Pages, Published 2019 ISBN-13: 978-0-358-00212-3, ISBN: 0-358-00212-5