Maps that predated the battles and campaigns are inserted in pockets built into most leaves of text.

"A museum in a book"--Cover. Maps on end papers. Maps that predated the battles and campaigns are inserted in pockets built into most leaves of text. Maps on lining papers. Facsimiles of maps that predated the battles and campaigns-- maps that were actually used or could have been used by commanders in the field. -- Cf. Introd., p. 3. Maps are housed in pockets built into most leaves of text.