Spellsmith & Carver: Magicians' Rivalry - Spellsmith & Carver, #1

Book One in the Spellsmith & Carver TrilogyAn estranged son. An adopted heir. A magical attack that forces them to work together. The disappearance of Auric Spellsmith's mother has strained his relationship with his father to the breaking point. Now, after five years away at the Magicians' Academy, Auric returns home, determined to prove himself to his father and claim his birthright. Apprentice Jericho Carver has held Spellsmith Manor together in Auric's absence.
Now his master's son is back, and if he can't get rid of Auric, Jericho will forfeit his career and lose all hope of wooing the master's enchanting daughter. Neither man intends to back down. But then Master Spellsmith vanishes into the mysterious Fey Lands. With Fey magic threatening the mortal realm, Auric and Jericho must work together to save the man they both see as father.