Efficient & fun Anki flashcards

I didn’t use the book, just the flashcards. The flashcards are very useful, partially because Anki is much more efficient and fun for memorizing than the other apps I used. Also, the flashcards have more useful vocabulary on them than in the other apps I used, which tended to focus mainly on nouns and specific niches, like travel. Thirdly, I like that the flashcards gave some explanation when needed, like why is a шапка different than капелюх.

Anki prioritized words for review well and the flashcards feel like they have a well chosen selection of words.