When Peter and Julia go to stay with their grandparents in Oxford, England, they discover a mysterious garden, which serves as a portal to a world where they are greeted as the saviors of a people enslaved by evildoers.

The once-forgotten beginnings and ambitions of the Guardians --as well as some heartbreaks-- are finally uncovered through the inquiry and commentary of Otulissa, the tree's dutiful historian.

Less than a month ago, Thomas Hunter was a failed writer selling coffee at the Java Hut in Denver. Now he finds himself in a desperate quest to rescue two worlds from collapse. In one world, he's a battle-scarred general commanding an army of primitive warriors. In the other, he's racing to outwit sadistic terrorists intent on creating global chaos through an unstoppable virus. Two worlds on the brink of destruction. One unthinkable solution.

After the sickness known as the Doom destroyed civilization, magick has become commonplace, and Fallon Swift has spent her young years learning its ways. Fallon cannot live in peace until she frees those who have been preyed upon by the government or the fanatical Purity Warriors, endlessly hunted or locked up in laboratories, brutalized for years on end. She is determined to save even those who have been complicit with this evil out of fear or weakness...