Robert C. O'Brien has written at least 11 books. Their most popular book is Mrs. Frisby and the Rats of NIMH with 163 saves with an average rating of 4.11⭐.
They are best known for writing in the genres one, asdfsa, and Asdfsa.
mone, asdfsa, and Asdfsa are their most common moods.
1971 • 163 Readers • 240 pages • 4.1
1974 • 46 Readers • 68 pages • 3.8
1971 • 16 Readers • 240 pages • 4.7
1971 • 15 Readers • 240 pages • 4
1968 • 8 Readers • 322 pages • 3.5
1982 • 4 Readers • 32 pages • 4
1 Reader
1992 • 1 Reader • 221 pages
1971 • 1 Reader • 5
1971 • 1 Reader • 197 pages
1971 • 223 pages