The Jetpack Boogie: A Dieselpunk Adventure (The Crossover Case Files Book 4)

He's used to thinking fast and using his wits, but when it’s a whole new world he’s thrust into, does this private investigator have what it takes to survive?Jed Strait has let his nemesis, Elsa Schwartz, get away one time too many.

Now, he needs to track her down before she can do real damage—and that means following her into an alternate world where all the rules are different.