Lost Hope (Book Four in The Redstone Chronicles)

Danger Lurks in the Dark.
With their psychotic sister on the loose, Mason and Mikey Redstone do their best to live normal lives, but when their estranged father unexpectedly visits, they’ll struggle to cope. And when he reveals his surprising connection to their sister, tensions rise.

Despite their disagreements, when their father ends up in the hospital, they’ll have to choose whether to accept his animosity or move on. But their problems extend beyond family matters when a case their partner Trick is investigating leads to a shocking attack.

As Trick digs deeper, and Mason and Mikey deal with their father, clues, warnings and evidence point to a deeper evil, and Trick will be forced to trust a secret organization to protect himself and others. But when the danger grows dire, Trick’s search for answers will lead to startling revelations, and when Mikey and Mason become targets, his only hope to save them may be sacrificing himself.