Computing device providing electronic book data having selectable content layers with different difficulty levels and related methods

A method for using a computing device comprising a display and a memory, the method comprising:

• storing electronic book data in the memory, the electronic book data having a plurality of different content layers each associated with a different content difficultly level;
• determining a selected content difficultly level for viewing of the electronic book data;
• and
• displaying on the display the respective content layer of the electronic book data associated with the selected content difficultly level.

A non-transitory computer-readable medium for a computing device comprising a display and a memory, the non-transitory computer readable medium having computer-executable instructions for causing the computing device to perform steps comprising:

• storing electronic book data in the memory, the electronic book data having a plurality of different content layers each associated with a different content difficultly level;
• determining a selected content difficultly level for viewing of the electronic book data;
• and
• displaying on the display the respective content layer of the electronic book data associated with the selected content difficultly level.