1. A method of creating an image based on textual content of an electronic book (eBook), the method comprising: receiving an indication that a portion of text from the eBook has been annotated a number of times that is equal to or above a threshold amount; selecting, based upon the indication that the portion of text from the eBook has been annotated the number of times that is equal to or above the threshold amount, the portion of text from the eBook; analyzing the portion of the text to isolate descriptive words within the portion of the text, the descriptive words including subjects, objects, and adjectives used in the portion of the text; creating a parse tree using the descriptive words, the creating the parse tree including: determining a subject that is a character described in the eBook; and determining an attribute of the subject, the attribute describing an appearance of the character; selecting an image object by associating metadata of the subject of the parse tree with metadata of the image object to select the image object as a character image object that visually represents the character described in the eBook; modifying the character image object based on the attribute of the parse tree, the modifying including changing a size or a color associated with the appearance of the character; generating the image by including the character image object within a scene, the scene including at least background imagery associated with the eBook; causing the image to be displayed to a user for review via a user device; receiving an editing command from the user via the user device to edit an appearance of the character image object within the image, the editing command being natural language input that includes one or more additional descriptive words; modifying the character image object within the image based on the additional descriptive words in the editing command; and generating a second version of the eBook, after modification of the character image object within the image based on the editing command, by inserting the image into the eBook at a specific location proximate to the location of the portion of text from which the image is generated.