First a pack of vile, smelly goblins snatch Simon. Then a band of elves try to entrap Jared. Why is the entire faerie world so eager to get their hands on Spiderwick's Guide? And will the Grace kids be left alone, now that the Guide has mysteriously disappeared? Don't count on it… At school, someone is running around pretending to be Jared, and it's not Simon. To make matters even worse, now Mallory has disappeared and something foul in the water...

Having no one to help her with her problems, a widowed mouse visits the rats whose former imprisonment in a laboratory made them wise and long lived. An inquisitive mouse becomes involved in an intrigue when she discovers her late husband had been held captive at a bizarre laboratory.

Cordelia, Brendan and Eleanor Walker need to survive a frightening magical world created by a mysterious occult writer after the Walker family moves into the author's former home.

When Albie's mother dies from cancer, his father explains that she may be alive in a parallel universe, so he decides to universe-hop and find her with the help of a banana, a laptop, and a box.