The IUCN Best Practice Protected Area Management Guidelines are recognised at the definitive work on protected area management, offering advice based on syntheses of worldwide experience by a team of international experts, and subject to a rigorous peer review. LTS was the lead editor and provided management services to the drafting of IUCN-UNESCO Best Practice Guidelines – Sacred Natural Sites: Guidelines for Protected Area Managers. This included reviewing tasks of all editors, developing a work-plan, liaising with World Congress on Protected Areas Best Practice Series editor and the IUCN publications unit., supporting the facilitation of a consultation process with key stakeholders, especially indigenous custodians of sacred sites. It also included a literature review and the development of case studies for inclusion in the guidelines. The final product was a print ready text with the inclusion of graphic materials. The role also included the raising of supplementary funds for the guidelines.