With a key to the Oakes School in his possession Benjamin, his friend Jill, and a new friend continue to seek ways to protect the school and their town but Lyman, the janitor and a spy, has new tricks up his sleeve.

As Benjamin Pratt and his friends Jill and Robert continue their efforts to save their school, they find themselves dodging two evil janitors, Lyman and Wally, but their team has also grown and now has a secret fund of millions of dollars.

"The Herons are home in Skandia, but the usually peaceful country is in danger. The Temujai--ruthless warriors from the Eastern Steppes--have never given up on their ambition to claim Skandia for their own...and now they're on the move. Hal and his crew will have to brave the treacherous icy river and rapids to stop them, no matter the cost"--