A modern and visual approach. Modern, because it is detached from the historical bias of light to embrace the wider view of symmetries. Visual, because it follows a pedagogy that guides the learner by developing an intuition built on images. The author strives to break down the learning phases into simple and assimilable elements. Numerous examples will guide you on this path. Special relativity is a magnificent theory, and much more, an extremely fertile reality for our understanding of the Universe. >>>Extracts_on_the_web: www.voyagepourproxima.fr/SR.pdf<<< Fully corrected exercises in the lulu high resolution paper book. SPECIAL RELATIVITY (401 pages) followed by the conference INTERSTELLAR TRAVEL AND ANTIMATTER (132 pages).