scope:

NPR-ISO/IEC-TR 18120 makes recommendations that are intended to build consensus on which International Standards for e-textbooks can be developed. This document is a follow up to the collection of inputs from interested parties and aims to - review the current state of the e-textbook market, - summarize LET requirements for e-textbooks based on use cases and survey of interested parties, - review existing data standards that are referenced by potential e-textbook standards, - describe key terms and concepts that underpin any further discussion on e-textbook standards, - propose a set of functionalities that will be required for e-textbook reader software, - make recommendations for any modification to existing data standards, and - make recommendations for any new data standards that might be needed.