Geek Trivia: Historically, Valuable Library Books Were Protected With? March 17, 2018 How-To Geek, IFTTT Think you know the answer? Click through to see if you're right! from How-To Geek https://www.howtogeek.com/trivia/historically-valuable-library-books-were-protected-with/ via IFTTT loading... Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsYour Amazon Wish List Is Public By Default. Here’s How to Make It PrivateHow to Properly Thread Tweets for Your TweetstormsDespite Firefox Quantum’s Success, Mozilla Has Lost Its WayThese 8 Subscription Boxes Are the Perfect Gift for Super FansHow to Enable Vacation Mode on the Schlage Connect Smart LockGeek Trivia: Which Of These Christmas Films Became A Classic Due To A Copyright Filing Error?