Charles Geer has written at least 8 books. Their most popular book is The New Adventures of the Mad Scientists Club with 6 saves with an average rating of 4.33⭐.
#2 of 2 in Mad Scientists' Club
1968 • 6 Readers • 228 pages • 4.3
1957 • 1 Reader • 120 pages
#3 of 2 in Mad Scientists' Club
1976 • 1 Reader • 263 pages • 5
1957 • 1 Reader • 188 pages • 1
1957 • 1 Reader • 194 pages • 4
#12 of 9 in Miss Pickerell
1978 • 168 pages