There are many people who reach their conclusions about life like schoolboys: they cheat their master by copying the answer out of a book without having worked the sum out for themselves.
Preparation for becoming attentive to Christianity does not consist in reading many books ... but in fuller immersion in existence.
Take a book, the poorest one written, but read it with the passion that it is the only book you will read. Ultimately, you will read everything out of it, that is, as much as there was in yourself, and you could never get more out of reading, even if you read the best of books.