https://www.penguinrandomhouse.com/books/546115/the-evil-wizard-smallbone-by-delia-sherman/
The Evil Wizard Smallbone by Delia Sherman: 9781524756857 | PenguinRandomHouse.com: Books
In a hilarious tale reminiscent of T. H. White, a lost boy finds himself an unlikely apprentice to the very old, vaguely evil, mostly just grumpy Wizard...
the evildelia shermanwizard