1. A method of sharing information related to passages from an electronic book, the method comprising: opening, by one or more processors, an electronic book at a user-selected initial passage, wherein the electronic book is displayed to a user on an electronic book reader; defining, by one or more processors, a passage block within the electronic book, wherein the passage block starts at the user-selected initial passage and ends at a community-selected terminal passage, wherein the community-selected terminal passage is selected by members of a social community who have read the passage block; determining, by one or more processors, that members of the social community who have read the passage block have input a high incidence of incorrect answers to questions about the passage block, wherein the high incidence is greater than a predetermined value; automatically providing, by one or more processors, help to the user of the electronic book to whom the passage block has been displayed, wherein the help is information that members of the social community have deemed to be useful in correctly answering questions that had the high incidence of incorrect answers; and in response to the user of the electronic book reader taking longer than a predetermined amount of time to read the passage block, initiating, via one or more processors, a communication session between one or more members of the social community and the user, wherein the communication session enables the user to receive recommendations from the social community for understanding the passage block.