This first volume is the extremely rare and hard-to-find The Freedon Nadd Uprising (from the Tales of the Jedi comic series (mid-1990s)), and is published on March 21st. Cover picture below:

In the following months we can expect (one per month)
Volume 2: Jedi vs Sith

Volume 3: Darth Maul

Volume 4: Jango Fett/Zam Wesell

Volume 5: Light & Dark (aka Clone Wars volume 4)(no cover yet available)
Volume 6: Endgame (aka Clone Wars volume 9)(no cover yet available)
Volume 7: Darklighter (aka Empire volume 2)(no cover yet available)
Volume 8: Splinter of the Mind's Eye (no cover yet available)
Volume 9: Death, Lies & Treachery (no cover yet available)
Volume 10: Crimson Empire (no cover yet available)
Volume 11: Union (no cover yet available)
Volume 12: Legacy (aka Legacy volume 1: Broken)(no cover yet available)
I believe if you want a copy, you will need to pre-order today to ensure supply.
edit: I forgot to say if you want more info, visit DarkHorse.com website and click on the Books link