Question: how many manga books are there for attack on titan
Answer: Japanese release date Japanese ISBN English release date English ISBN March 17 , 2010 ISBN 978 - 4 - 06 - 384276 - 0 June 19 , 2012 ISBN 978 - 1 - 61262 - 024 - 4 `` To You , 2,000 Years from Now '' ( 二 千 年 後 の 君 へ , Ni Sen Nen Go no Kimi e ) `` That Day '' ( その日 , Sono Hi ) `` Night of the Disbanding Ceremony '' ( 解散 式 の 夜 , Kaisanshiki no Yoru ) `` First Battle '' ( 初陣 , Uijin ) With the advent of giant humanoid beings known as `` Titans '' that hunt and eat humans on sight , mankind quickly dwindles in numbers and their territory is reduced to a small country protected by three massive walls ; Wall Maria , Wall Rose and Wall Sheena that kept the Titans