Published in conjunction with a 2005 exhibition of the same name at the Palmer Museum of Art, Wos up man? features numerous works from Joseph and Janet Shein's important collection of self-taught (or "outsider") art. Although many of the artists represented--William Hawkins, Thornton Dial Sr., Clementine Hunter, Howard Finster, and Sam Doyle--have acquired renown as the interest in outsider art has grown, such figures as George C. Briscoe, Chris Clark, C. W. Conner, and Chris Donnelly are little known and are here receiving their first art-historical consideration.

The term...