Clifton landmark Duttenhofer’s Books — an independent purveyor of rare, old and used books on topics ranging from literature and architecture to poetry, philosophy, history and more — is celebrating its 40th anniversary this weekend with a sale and party. Take 20 percent off your purchase, and celebrate with cake and refreshments on Sunday. The shop features more than 40,000 volumes, so you can literally spend two days searching for a perfect tome.
11 a.m.-7 p.m. Saturday; 11 a.m.-5 p.m. Sunday. Free. 214 W. McMillan St., Clifton Heights, duttenhofersbook.com.