With goblins, trolls, and the house boggart all trying to get them, the Grace children turn to Great Aunt Lucinda for help.

Young fans of Harry Potter, and Percy Jackson and the Olympians will fall in love with this thrilling fantasy series that will transport you to another magical world.

The Field Guide:
The Grace Kids—twins Jared and Simon and their older sister, Mallory—aren't all that impressed with the ramshackle old mansion their mother moves them to when their decidedly kooky Great Aunt Lucinda is sent to an asylum....

Book 3—Lucinda's Secret
Things at the Spiderwick estate are getting completely out of hand. If being attacked by a band of marauding goblins and almost eaten by a bridge troll wasn't enough, how Jared is being harassed by Thimbletack, the house boggart, and Simon has a very hungry griffin recuperating in the carriage house. Mallory is convinced that the only way to stop the madness is to chuck the Guide. But that's not an option. With all...

Bruised and battered, Jared, Simon, and Mallory return home to find their home ransacked and learn that Mulgarath has made off with their mother and Spiderwick's Guide. With only the help of Thimbletack, Hogsqueal and Byron, the Grace kids have to defeat Mulgarath and his goblin army. But they have to rescue Arthur Spiderwick from Lorengorn and the elves first.

Eleven-year-old Nicholas Vargas only thinks his life has been turned upside down after his developer father remarries and moves his new wife and daughter into the soon-to-be completed Mangrove Hollow. But an "expedition" to a nearby lake turns up a little nixie with a giant problem--the huge, lumbering, fire-breathing variety--and it's up to Nick, his stepsister Laurie, and his big brother, Julian (plus a familiar face from the original Spiderwick...

Nick,Julie, Laurie, and their friends try to prevent a hydra from destroying Florida.