- Muff and Ruff
- Maslen, Bobby Lynn, Bob books
- Go, bus, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Willy's wish, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Maslen, Bobby Lynn, Bob books, set 1, bk. 3 Beginning Books
- Bob books, text, Bobby Lynn Maslen ; pictures, John R. Maslen, Set 5
- The swimmers, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Bump!
- Activities for books 1-4, [by Bobby Lynn Maslen ; pictures by John R. Maslen]
- Dot and the dog
- Ten men, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Dot
- More Bob Books for young readers, Set 2 for ages 4 and up
- Floppy mop, by Bobby Lynn Maslen ; pictures by John R. Maslen
- The sad cat
- Maslen, Bobby Lynn, Bob books, set 1, bk. 8 Beginning Books
- The visit, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Maslen, Bobby Lynn, Bob books, set 1, bk. 2 Beginning Books
- The sad cat, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Maslen, Bobby Lynn, Bob books, level B, set 1
- Maslen, Bobby Lynn, Bob books, set 4, bk. 6
- Maslen, Bobby Lynn, Bob books, Set 2, Advancing beginners, bk. 11
- Ten men
- Dot and Mit, by Bobby Lynn Maslen ; pictures by John R. Maslen
- The vet, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Bob books first!, text, Bobby Lynn Maslen ; pictures, John R. Maslen
- 0 to 10, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Activities for books 1-4
- Maslen, Bobby Lynn, Bob books, Set 2, Advancing beginners, bk. 8
- The picnic, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Bow-wow!, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Chickens, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Frogs, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Bob books, text, Bobby Lynn Maslen ; pictures, John R. Maslen, Set 2
- Up, pup, by Bobby Lynn Maslen ; pictures by John R. Maslen
- The train
- Bob books, text, Bobby Lynn Maslen ; pictures, John R. Maslen, Set 2
- The red car, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Jig and Mag, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Maslen, Bobby Lynn, Bob books, bk. 3
- Maslen, Bobby Lynn, Bob books, set 1, bk. 9 Beginning Books
- Maslen, Bobby Lynn, Bob books, Set 2, Advancing beginners, bk. 12
- Frogs
- Dot, by Bobby Lynn Maslen ; pictures by John R. Maslen
- Joe's toe
- The game
- Bow-wow!
- Pip and Pog
- 0 to 10
- Maslen, Bobby Lynn, Bob books, set 1, bk. 6 Beginning Books