The Spiderwick Chronicles by Holly Black is a story about three children named Jared, Simon, and Mallory Grace, and their mother’s name is Helen Grace. When they have to go to Lucinda Spiderwick’s house Jared thinks that the estate looks more like a dozen shacks stacked one on top of the other. Their mother Helen says it’s Victorian. Simon is unloading his stuff when he finds that Jeffrey and Lemondrop (his two mice) are missing. He sees that there is a hole in the socks he put them in. When Jared hears a noise in the wall they investigate after their mother goes out to go grocery shopping and they find a wall, which is hollow and it has newspaper clippings and cockroaches hung up in garlands. Next they put Jared into the trolley thingy that is moved up by a rope. Jared finds Arthur Spiderwick’s Field Guide and also that Aunt Lucinda is Arthur Spiderwick’s daughter. When Mallory and Simon see the library, too, they find that they can get in by the upstairs linen closet they go when their mother goes out again and they meet the household brownie named Thimbletack, (they put a bird house in the library for him because his house had been in the hollow wall that they cleared out) Thimbletack is a tiny man and he can walk Jeffrey and Lemondrop as if they were ordinary dogs. He told them to throw the field guide in a fire or tear it apart because other people who have owned the book have always come to harm. And that is when they realize that they will go through lots before the book is completely done. And that was the end of the first book.
The Spiderwick Chronicles: Book One: The Field Guide