1. Aries: 'Material Girl, Mystical World' by Ruby Warrington
Astrologer Ruby Warrington, also known as The Numinous, is pretty much our guru on all things cosmic, and as such we're obsessed with her guide to modern spirituality. We're talking everything from birth charts to tarot cards! As an Aries powerhouse herself, your fave fire sign won't be able to put down Warrington's Material Girl, Mystical World: The Now Age Guide to a High-Vibe Life.

$14.84, Amazon.