A collection of short stories from the original Rockman universe.
Volume 1 contains Rockman's Birth, Orders to Destroy R, Metal Heart.
Volume 2 contains Return of the God of Death, Holiday of Soldiers, Power Battle.
Volume 3 contains The Strongest Enemy to Date.
This information is taken from the comprehensive Enterbrain (re)release of the series, licensed for english translation and distribution by Udon Entertainment.
Information on the publication and prior/subsequent releases of this series can be found under More Info.