Best-selling author Rick Riordan will be at Borders in South Portland this week to sign his second Kane Chronicles adventure, “Throne of Fire.” To get a spot at the signing, you need a wristband. You can get wristbands beginning at 9 a.m. Tuesday by buying the book, which has a list price of $18.99.

WHEN: 6 p.m. Wednesday

WHERE: Borders, 430 Gorham Rd., South Portland

HOW MUCH: Free, with book purchase

INFO: 775-6110