Vol. 1 originally published in Albedo, Critters, Doomsday squad, and Usagi Yojimbo summer special; v. 2 in Usagi Yojimbo #1-6; v. 3 in Usagi Yojimbo #7-12 and Turtle soup; v. 4 in Usagi Yojimbo #13-18; v. 5 in Usagi Yojimbo #19-24; v. 6 in Usagi Yojimbo #25-31.