This hidden storage drawer slides out from behind the main shelf area to the sides to conceal all your research data and secret reports. – Source: http://www.thosbaker.com/alchemist-bookcase?utm_source=google&utm_medium=cse&utm_campaign=google&cvsfa=4047&cvsfe=2&cvsfhu=3433343931&gclid=Cj0KEQjwncO7BRC06snzrdSJyKEBEiQAsUaRjCdGbtPMxNbR_OqZv8sAYayw0l00jDUskTCqZhu3cxwaAvfY8P8HAQ