Hilda and Richie's Wizard

Hilda and Richie are back in their second book!  When Hilda gives Richie a shiny silver pendant, she warns him not to lose it when he goes out to play.  Unfortunately, Richie does just that.  The fox pup soon meets an enigmatic wizard, Mr. Abra, who helps Richie both with his magic and an important lesson about doing what's right.