When Love Collides (Time Travel Romance Series, Book 2): Sweet Time Travel Romance (Time Travel Guardian Romance Series)

Riona is a park ranger at Yellowstone National Park in 2018, and has never found a need for a man in her life. She loves going on long hikes with her search and rescue dog, Mischa, and they make a great team while finding lost hikers. She thinks her life is complete until she finds a mysterious box that holds a time travel device. Riona accidentally triggers the device and ends up traveling through time and meets Trystan, who turns her whole world upside down.

Trystan is an agent for a secret company called the Time Travel Guardians in 2045. He discovers a coin that is a time travel device has been activated, and volunteers to go retrieve it. It should be simple to get the coin from whoever triggered it, but when he meets the woman who used the coin, he can't explain why he is making excuses to spend as much time as possible with her.

Will Riona be able to let Trystan in her life, and will Trystan be able to find a way to keep her with him forever?