Legendary literary game-maker Garrison Griswold is back in action, this time with "Unlock the Rock." For his latest game, Griswold has partnered with the famous -- and famously reclusive -- mystery writer Errol Roy to plan an epic escape room challenge on Alcatraz Island. Emily and James are eager to participate, but the wave of fame they are riding from their recent book-hunting adventures makes them a target. Threatening notes, missing items, and...

Before Owen Michaels disappears, he manages to smuggle a note to his beloved wife of one year: Protect her. Despite her confusion and fear, Hannah Hall knows exactly to whom the note refers--Owen's sixteen-year-old daughter, Bailey. Bailey, who lost her mother tragically as a child. Bailey, who wants absolutely nothing to do with her new stepmother. As Hannah's increasingly desperate calls to Owen go unanswered, as the FBI arrests Owen's boss, as...

"For the firm of Carpenter and Quincannon, Professional Detective Services, stopping extortionists is not only grand, but excitingly lucrative. When a pleasant afternoon's bicycling through Golden Gate Park with a friend ends with the revelation of threatening letters, followed by a gunshot in a mansion garden, Sabina Carpenter knows this is a case that demands her immediate and undivided attention. The questions her partner John Quincannon has to...