Standards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the SCC Mirror Committee (SMC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T). Scope This document 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.