SECRET HIDEOUT (4.5) by Paula Graves: After an ambush in her hotel room, former FBI agent Isabel Cooper wakes up to find the ghost of her dead partner sitting beside her bed. Only Ben Scanlon isn’t dead — though his undercover activities to find a serial bomber in an Alabama town just might kill him. How far is Isabel willing to go to help him complete the job? And how long can they keep the sparks that have been flaring between them for the last seven years from flaming up? As always, visiting the battling Cooper family is a real treat, and Graves folds in yet another tricky FBI chase and simmering romance, taking fans on a satisfying adventure.