The Telegraph Herald's latest vintage photo book, "The '70s, Volume 1: 1970-74," captures the city in the time of disco, bell bottoms and all things shagadelic.

Leading up to the book's release, we'll be running a selection of mystery photos from the TH '70s archives, asking readers to help identify the people pictured.

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Today's mystery photo has been solved. Miles and Betty Kahl, of Elizabeth, Ill., are pictured shopping for the holidays.

"The '70s, Volume 1: 1970-74" can be pre-ordered by visiting store.telegraphherald.com. Copies will be available later this month.