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If you grew up reading SF in the '50s or '60s,
you remember (perhaps fondly, even...) the distinctive 'dos-a-dos' paperbacks from Ace.
|The List||3 unread / 3||guido47, April 2012|
|Gotta love the doubles||4 unread / 4||Ammianus, March 2012|
|Using contains for Ace doubles||3 unread / 3||bientrey, June 2011|
|eBay prices||6 unread / 6||cosmicdolphin, January 2011|
|How do you catalog 'Doubles'?||19 unread / 19||coleaj, January 2009|
|The Belmont Doubles||3 unread / 3||johnnyapollo, May 2008|
|New Book about Ace Double Mysteries||1 unread / 1||rgurskey, March 2008|
|How to Combine Doubles||2 unread / 2||nperrin, January 2008|
|Online Resources||4 unread / 4||AsYouKnow_Bob, June 2007|
|So, what do they look like?||1 unread / 1||AsYouKnow_Bob, March 2007|
|Have you read all of them? (And other dumb questions...)||9 unread / 9||AsYouKnow_Bob, February 2007|
|Swapping||2 unread / 2||Nanaimo, October 2006|
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