The World Book Encyclopedia Presents Volcanoes Text & CD-ROM Disk is a comprehensive resource that offers valuable information on volcanoes in an interactive format. This product includes a printed encyclopedia along with a CD-ROM that contains additional content and multimedia features. The encyclopedia is written in English and is compatible with both PC and Mac operating systems, making it accessible for a wide range of devices. With minimum requirements of less than 50 MB of hard drive space and 4 MB of RAM, this product provides useful information on volcanoes for students and enthusiasts alike.