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

With an imposter running around pretending to be Jared, and Mallory suddenly gone missing, the Grace kids are having a hard time keeping the fairies away from the Spiderwick's Guide, in a fantastical tale filled with dwarves, fairies, and other magical creatures.

Meet the boggarts, changelings, pixies, goblins and other creatures of Arthur Spiderwick's magical, fantastical world.

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 and Laurie have a giant problem. When Taloa sent them off to find her sisters, they discovered a fire-breathing giant, but as it turns out, that one giant is the tip of the iceberg. According to NoSeeum Jack there are hundreds, possibly even thousands of giants underneath the surface, waiting to wake up. Taloa refuses to give any assistance until her sisters are located, so the kids turn to a kingdom of merfolk for help.

Celebrate the 20th anniversary of the #1 New York Times bestselling Spiderwick Chronicles and get ready for the series soon to be streaming on Roku with this third installment in the adventures of the Grace children featuring an all-new look.
As if being attacked by goblins and a bridge troll weren't enough, Jared is now being targeted by Thimbletack. Simon is keeping an injured and very hungry griffin hidden in the carriage house....