A missing time-traveler. An evil alchemist who wants an apprentice. Can eleven-year-olds Jake and Ava rescue their friend before he's permanently brainwashed?
Jake opens his front door to his mentor and learns bad news: Jake's teenage time-travel friend, Will, is missing.
Oh, no! Jake and his twin Ava go to the Guardians of Time Guild headquarters to look for Will. After an unsettling wait in 1529 Vienna at Headquarters, the twins learn that Will has been kidnapped.
Jake and Ava are rookies. They've brought along their little cousin, their babysitting charge for the summer, and they have to keep her safe. How can they even figure out how to make the Headquarters time machine work? And now, cannonballs are falling! It's the Siege of Vienna!
- Christian themes: Perseverance. Leaning on the Lord for guidance.Action-adventure, ideal for age 8 and up.20 black and white illustrations per book. Previous two books in series named finalists for the prestigious Selah Award for Christian Fiction.
A high-action, readable tale that guides elementary-school kids through coping with unexpected situations with upbeat faith.