Здравствуй, дядюшка Глагол!

This book will allow you to easily, without strain, but thoroughly master and review complex grammatical rules related to the verb. Traveling through the magical land of Speech, the characters in the book learn to conjugate verbs, distinguish between transitive and intransitive, reflexive and impersonal verbs, gain an understanding of the tense and mood of the verb, and much more.