http://wizardofodds.com/fourcardpoker
the 'wizard' Michael Shackleford recently released "Gambling 102" which includes all the major games (though NOT 4CP which is still in probationary testing in most casinos right now).
"Bold Card Play" by Frank Scoblete covers 3CP, LIR and CStud.
regardless, basic strategy for most any publicly available casino game is available somewhere online for free if you search a little.