Printed books (volumes) can be used in parallel (different printed volumes by L. Tolstoy can be given to different readers, and their electronic copies placed on one CD-ROM can not); .The printed book is completely autonomous (the information is stored for a long time, there is no need for an external power source), you can read it almost everywhere.Electronic books can be opened only with the help of the Internet. And it is not everywhere.They spoil the eyesight.Printed books are more convenient to carry than a gadget. Do you agree? And a gadget can steal it, but who needs an ordinary book, hardcover
