TenBest
Updated December 2024
Dover Publications
9.7
$ 2.99
$ 4.99
Scholastic Reference
9.3
Everest
9.1
$ 13.09
$ 20.99
Merriam-Webster
9.0
$ 5.95
$ 9.61
Ultralingua Inc.
8.5
8.3
8.0
7.6
7.5
7.3