HE WAS NO SIR GALAHAD Town rebel Hank Mason grew up to be all harsh angles and scowls, as untamed and unforgiving as his mountain retreat. So how did two newcomers to Tulaca - a scrappy spitfire and her solemn little son - get a toehold in Hank's granite facade? Why did he suddenly want tot slay their dragons? Fact was, Gloria and Jamey Pellman proved as prickly as Hank. Still, they wrapped a fist around his stony heart - and squeezed. Jamey learned to laugh again. Gloria began to giggle. Even Hank cracked a few smiles. But could hard-bitten Hank duel his own dragons...and let love in?