Guazzotti, Sergio A books & textbook
Focus on Earth Science: California, Grade 6 (Glencoe Science)
Berwald, Juli Guazzotti, Sergio A Fisher, Douglas Kerski, Joseph J Nagy-Shadman, Elizabeth A Ross, Donna L
McGraw-Hill/Glencoe /2007-01-01 Library Binding / 710 Pages
isbn-10: 0078794285 / isbn-13: 9780078794285
