Dav Pilkey has written a new book: “Captain Underpants and the Terrifying Return of Tippy Tinkletrousers.” (Scholastic )

Author Dav Pilkey will be in town this week to talk about his new Captain Underpants book and to sign autographs.

TUESDAY

Where: Barnes & Noble in Tysons Corner

When: 7 p.m.

Address: Tysons Corner Center, McLean.

WEDNESDAY

Where: Barstons Child’s Play

When: 4 p.m.

Address: 5536 Connecticut Avenue NW, Washington.