From VIZ:

Volume 1: Red Like Roses
Ruby may be team leader, but she's got insecurities just like the rest of us. In fact, her worries run deep. These stories show how Ruby overcomes her shortcomings to be a true hero—and what drives her to do it!

Volume 2: Mirror, Mirror
The heiress to the Schnee Dust Company is not someone to underestimate just because of her privileged background. These tales show how tough Weiss is—and how real.

Volume 3: From Shadows
Blake used to be a freedom fighter for her people, suppressed by humans for years. She’s a hero—but she's also a teen girl who just wants to fit in with her friends. These stories highlight her awesome personality, from serious to silly.

Volume 4: I Burn
These stories, ranging from silly to serious, all star Yang, Ruby's fiercly loyal big sister with a stern but sensitive personality and tough-as-nails battle skills (with attitude to match)!

Volume 5: Shine
New short stories featuring Team JNPR! Get to know Jaune Arc, Nora Valkyrie, Pyrrha Nikos and Lie Ren, one of the strongest—and most fun—teams of Grimm Hunters in the hit series RWBY!