Through the campaign, the publisher will donate a book to the organization Save the Children every time someone uses the hashtag online. Penguin Random House will make donations up to 25,000 times.
Last year, various independent bookstores celebrated Cider Monday as a fun twist on the online retailing bonanza Cyber Monday. This year, some bookstores say they'll be bringing it back.
After a long, contentious battle, the Texas Board of Education has not been able to get the votes it needs to approve a hotly debated new set of textbooks.