The Hunt for Dark Infinity is by James Dashner. The second book in the 13th Reality series. Tick and his friends are called on again by Master George. Something is happening in the thirteen realities, people are going insane and the realities themselves and all those in them are disintegrating. The evil Reginald Chu has created a device that will destroy the realities and it's up to Tick and his friends to destroy it before all is lost. A charming second book in a delightfully suspenseful series.
Ratings: 7th grade - 8 out of 10.