Infinity Ring Book 3: The Trap Door

"Dak, Sera, and Riq return to the United States and walk immediately into a deadly trap. The year is 1850, and the nation is divided over the issue of slavery. In these dark days, the Underground Railroad provides a light of hope, helping runaway slaves escape to freedom. But the SQ has taken control of the Underground Railroad from within. Now Dak and Sera are left wondering who to trust . . . while Riq risks everything to save the life of a young boy. Book includes an all-new, full-color Hystorian’s Guide - your key to unlocking the third episode of the action-packed Infinity Ring game!"-Amazon

The Trap Door Info

• Publisher: Scholastic Inc.
• Release Date: February 5 2013
• Page Count: 192
• Author: Lisa McMann 

Note:  Not sure if you noticed but Lisa McMann is writing the 3rd Infinity Ring book! Lisa Mcmann is the author who wrote the block-buster new series called the Unwanteds,

so this next book should be a good read.