Shattered Legions is the forty-third volume in the Horus Heresy series of novels and is an anthology. Shattered Legions is to be released in April 2017 as a collector's edition hardback which includes a full-art hardcover, a glossy dust jacket in the Horus Heresy series style, internal illustrations and an exclusive author afterword. Shattered Legions is a non-exclusive re-release of the exclusive novella anthology Meduson (Ultimate Edition), with the once exclusive novella The Seventh Serpent by Graham McNiell added to make it novel length.