Parallel Lines

A Gay Romantic Sci-Fi Comedy by Mark McElroy

Available on Kindle, in paperback, and hardcover editions from

A stolen technology gives Thomas Arnold a chance to explore how his life would have turned out if he’d made different choices. But with the creator of the tech chasing him down — and with each jump from life to life poking holes in the fabric of space and time — can Thomas find his own best life before the universe (like his failing marriage) comes crashing down around him?

Where to Get Parallel Lines

Buy the Kindle eBook, paperback, or hardback editions on

Sample Chapters

Read the first three chapters and see if this is the queer, LGBTQ+ rom-com with science fiction elements you’ve been looking for.

Behind the Scenes

Access the Director’s Tracks — behind-the-scenes notes captured when each chapter was being written — and discover deleted scenes, alternative storylines, and more. (Coming Soon)