Let's-Read-and-Find-Out Science, Stage 2 is a 33-book series with 33 primary works 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, Kathleen Weidner Zoehfeld, kate-duke, Paul Meisel, Paul Meisel, Kimberly Brubaker Bradley, Anne Rockwell, D.J. Ward, Wendy Pfeffer, John F. Waters, and Melissa Stewart.
2002 • 40 pages
2005 • 1 Reader • 33 pages
1988 • 1 Reader • 36 pages • 5
1985 • 32 pages
2014 • 1 Reader • 40 pages • 4
1991 • 1 Reader
1990 • 1 Reader
1961 • 1 Reader • 32 pages
1974 • 1 Reader
1990 • 1 Reader
1995 • 1 Reader
1960 • 1 Reader
2015 • 2 Readers • 40 pages
1992 • 1 Reader
1996 • 3 Readers • 4.3
2015 • 1 Reader • 4
1981 • 1 Reader • 44 pages
1988 • 32 pages
1964 • 32 pages
1972 • 1 Reader • 4
1965 • 32 pages
1998 • 1 Reader • 32 pages
1981 • 2 Readers • 32 pages • 4
1989 • 1 Reader • 32 pages • 3
1985 • 40 pages
1972 • 1 Reader • 32 pages
2011 • 1 Reader
2002 • 1 Reader • 43 pages
2018 • 1 Reader • 40 pages
1988 • 31 pages
1996 • 1 Reader • 34 pages • 4
2007 • 1 Reader • 44 pages • 4