Operation Battle Book is under attack! In a mysterious case of high-tech body snatching, Battle Books have been secretly hacked into and robbed of their key historical figures. Great leaders from the past - generals, emperors, warriors, kings and queens - have been stolen! Omega Squad must find the culprits before the Battle Books are completely destroyed. But Professor Perdu is being watched by MANIC, and Alpha Agent One has gone underground. BA005, BA004 and BA009 can trust no one.