My favorites are:
The Fifth Discipline Fieldbook (Senge, et al)
Control Theory (William Glasser)
How Adults Learn (J. R. Kidd)
The Marks of an Educated Man (Albert Edward Wiggam c. 1925)
The Sabre Tooth Tiger Curriclum (I do not remeber the author)
-- Jesse W. White jwhite@comp.uark.edu