From http://www.oasis-open.org/cover/openEbook.html

[October 07, 2000] Open eBook Validator from Brown University, Scholarly Technology Group. The Open eBook Validator, a free service provided by Brown University's Scholarly Technology Group (STG) and NuvoMedia, Inc, makers of the Rocket eBook. The Validator enables authors and publishers to quickly and easily test their publications for conformance with the Open eBook Publication Structure Specification. The Validator service supplies several resources; see (1) what the Validator does and what doesn't it do; (2) why STG and NuvoMedia built the Validator; (3) sample output from the validator; (4) how to convert existing HTML content to Open eBook format; (5) how to identify OEB documents and packages; (6) [Open eBook Publication Structure] Conformance Rules; and (7) using the validator. Note that web site also provides an ISO-to-UTF XML Conversion Tool. From Richard Goerwitz, Brown University, STG. "Use this utility to convert an existing XML document in an ISO format (e.g., ISO-8859-1) to UTF-8 or UTF-16. To facilitate autodetection of the document's existing format (as per appendix F to the W3C XML spec), please be sure to prepend a valid XML declaration to your document..."