Depends on the book. I usually used Alice in wonderland, through the looking glass, and wizard of Oz as my first books in these languages, (except latin), and t

Depends on the book. I usually used Alice in wonderland, through the looking glass, and wizard of Oz as my first books in these languages, (except latin), and though I don't know the exact starting word count, I think a couple of hundred + familiarity with the book is enough for me. Some other easy and interesting books to consider are Tom Sawyer and The Hobbit, and Peter Pan.