The shadow of the man in black has followed fourteen-year-old Amy Cahill and her younger brother Dan on their worldwide search for 39 Clues that lead to a great power. The man has tried to kill them and he is a Madrigal, as were their parents. And now the man is ready to step out of the darkness for their final confrontation.

When ten-year-old orphan Peter Augustus Duchene encounters a fortune teller in the marketplace one day and she tells him that his sister, who is presumed dead, is in fact alive, he embarks on a remarkable series of adventures as he desperately tries to find her.

A Clue found in Book 3 sends Amy and Dan jetting off to find out just what's behind the fierce rivalry between the Tomas and Ekaterina branches of the Cahill family. Was a Clue stolen from the Tomas branch? Where is it now? And most important, can Amy and Dan get their hands on it before their rivals do?

In a troubled time for the Clans, three young cats, --Hollypaw, Jaypaw, and Lionpaw-- grandchildren of the legendary Firestar, begin their training as warriors. All three possess unusual power and talent, but dark secrets surround them, and a mysterious prophecy hints at trouble to come.

When Simon goes missing, Jared is convinced creatures from the faerie world have something to do with it. Mallory is not convinced. That is, until she and Jared have to contend with a band of menacing, marauding goblins. Simon is clearly in danger, and it's up to Mallory and Simon to save him, before it's too late...

Irish siblings Malachi, Gideon, and Rebecca Sullivan find themselves in far-flung places as they desperately search for a family heirloom--a statue stolen by their great-great-grandfather aboard the "Lusitania" the day it was sunk--that holds much more than sentimental value to others around the globe.

First a pack of vile, smelly goblins snatches Simon. Then a band of elves tries to entrap Jared. Maybe now that Arthur Spiderwick's Field Guide to the Fantastical World Around You has disappeared, the Grace kids will be left alone. Don't bet on it. At school, someone is running around pretending to be Jared, and it's not Simon. To make matters even worse, Mallory has disappeared. Clues point to the abandoned quarry just outside of town. The dwarves...

"When Firestar's grandchildren, Hollyleaf, Lionblaze, and Jayfeather, finally discover who their true parents are, there are dire consequences for ThunderClan and the Warrior Code" --

When Apophis, the chaos snake, threatens to plunge the world into eternal darkness, siblings Carter and Sade Kane plan to use an ancient spell to destroy the snake, but first must rely on the murderous ghost of a powerful magician.

"Presents the final installment in the fantasy series about the adventures of the Grace kids, as they battle dwarves and goblins in a desperate fight to free their mom from the clutches of the evil ogre, Mulgarath"--NovelListPlus.