Books in Finn Finnegan series

Finn (not bleedin' Finnegan) MacCullen is eager to begin his apprenticeship. He soon discovers the ups and downs of hunting monsters in a suburban neighborhood under the demanding tutelage of the Knight, Gideon Lir. Both master and apprentice are descendents of the Tuatha De Danaan, a magical race of warriors from Ireland. Scattered long ago to the four corners of the world, the De Danaan wage a two thousand year old clandestine battle with their ancient enemy, the Amand?n, a breed of goblin-like creatures. Now with the beasts concentrating their attacks on Finn, he and his master must race to locate the lost Spear of the Tuatha De Danaan, the only weapon that can destroy the Amand?n, all the while hiding his true identity from his new friends, Rafe and Savannah, twins whose South African roots may hold a key to Finn's survival. Armed with a bronze dagger, some ancient Celtic magic, and a hair-trigger temper, Finn is about to show his enemies the true meaning of fighting Irish.

For Finn MacCullen, it's time to Irish up.With a shout, Finn held the spear aloft. Come along, ye manky beasties, he yelled, throwing every bit of Gideon-ness he could into his voice. I've a wee point to share with ye! Gripping the end of the shaft in both hands, he swung it around and around over his head, creating a whistling sound. Faugh a ballagh! The Spear! Goblin voices screeched in panic. The Spear of the Tuatha De Danaan!Yeah, you got that right! Finn yelled back.When a power-crazed sorceress and the neighborhood pack of beast-like goblins team up and threaten both his master and his friends, thirteen-year-old Finn (not Finnegan) MacCullen does the only thing an apprentice monster hunter can do: he takes the fight to the enemy. And woe to the foe he meets along the way.