2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/97567This Resource Book reviews the physics opportunities of a next-generation e+e- linear collider and discusses options for the experimental program. Part 1 contains the table of contents and introduction and gives a summary of the case for a 500 GeV linear collider.LaTeX, 85 pagesHigh Energy Physics - ExperimentHigh Energy Physics - Phenomenologytext