Entitle is running a sale for the next week on Stacksocial. They're offering a 6 month subscription for the low price of $39.99. This is good for 12 books at a price of about $20 off the regular subscription price.
Entitle has a catalog of around 150,000 titles, including best sellers from several major publishers. They offer a subscription plan similar to Audible, and it costs $9.99 for 2 book credits. The ebooks can be read in Entitle's ebook apps for Android or iOS, or they can be downloaded to your computer and transferred to an Epub compatible ereader of your choice.