Dr. Vook, Ph.D is happy to announce his animated arrival in the NOOKbooks Store. You can check him out strolling through astronomy, reliving the American Revolutionary War and thoroughly examining classic art. We’ll let you know when more of his genius arrives.

Want to win a $25 gift card from Dr. Vook, Ph.D, star of our new TextVooks series? Make sure you follow us on Twitter @vooktv to answer questions about subjects from his new enhanced apps and ebooks starting tomorrow at 9 am EST with another round of trivia at 12 pm (M-F throughout the month of April). We’ll be giving away two $25 iTunes gift cards a day to 28 lucky winners and using the hashtag #TextVook throughout the contest. Click here for full contest rules and stay tuned to our blog for all of the latest Vook news.