Middle Falls Time Travel Series (Book 12): The Many Short Lives of Charles Waters
An Alex Hawk Time Travel Adventure (Book 1): A Door Into Time
An Alex Hawk Time Travel Adventure | Book 3 | Return from Kragdon-Ah
An Alex Hawk Time Travel Adventure (Book 2): Lost In Kragdon-Ah
Middle Falls Time Travel Series (Book 3): The Death and Life of Dominick Davidner
Middle Falls Time Travel Series (Book 4): The Final Life of Nathaniel Moon