There's so much astonishing science fiction and fantasy coming your way this month, we can barely list it all. Including the new Evil Dead, Oblivion and tons of other movies. There are brand new books by Neil Gaiman, Paul Cornell, C.J. Cherryh and Robin Hobb. Plus Warehouse 13 and Defiance! Here's your ultimate guide to April's science fiction and fantasy.

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Top image: Detail of the cover of C.J. Cherryh's Protector, art by Todd Lockwood

As always, you can download the io9 calendar as a printable PDF here. And if you have any cool events for April's calendar, drop us a line at calendar@io9.com.

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Research by Amanda Yesilbas. Design by Stephanie Fox.