Let's-Read-and-Find-Out Science, Stage 2 is a 36-book series first released in 1960 with contributions by Franklyn Mansfield Branley, Paul Showers, Aliki, Franklyn M. Branley, Melvin A. Berger, Patricia Lauber, Arthur Dorros, Lynda DeWitt, Barbara Juster Esbensen, Kathleen Weidner Zoehfeld and 9 others.