According to the Egyptian Gazette and Zeinobia over at the Egyptian Chronicles, Ahmed Mahanna has been released by Egyptian State Security.

Mahanna’s home was raided over the weekend, and he was held by State Security without charge. Mahanna’s home was reportedly searched and copies of El Baradei and the Dream of the Green Revolution were seized; it’s presumed the 23-year-old director of the Dar Dawwin publishing house was arrested because of the book’s appearance on the market last week.

ElBaradei commented about the arrest on Twitter:

The detention of a publisher of a book about me and my ideas of reform shows a repressive regime afraid of its own shadow.