Favorite reads on spiritual formation

410Rraa1pPL._SL500_PIsitb-sticker-arrow-big,TopRight,35,-73_OU01_SL160_If you had to pick just one resource on spiritual formation, what would it be?  If you're stumped, you're not alone. I asked the amazing women of the Redbud Writer's Guild the same question, and my sisters struggled to narrow it down. Here's to the amazing ladies who managed this great feat. And here are their picks, in alphabetical order by title:

(click on their names to visit their blogs)

One last note: one of our own, Kelli Trujillo, wrote a book on disciplines, The Busy Mom's Guide to Spiritual Survival.

Your turn: if you had to pick just one resource on spiritual formation, what would it be? And why?