Joanne Rock’s book “Rocky Mountain Rivals” is the first in the “Return to Catamount” series. The protagonist of the tale is Fleur Barclay, who struggles to balance her allegiance to her family’s ranch—which Drake Alexander wants to take over—with her affection for the bull-riding champion. Their connection is further complicated because Drake is her ex-boyfriend’s brother. A terrible betrayal can throw these lovers back into enmity as they work through their emotions and the secrets of their history.