The book "Kola Superdeep Borehole" by Alphascript Publishing offers a comprehensive analysis of one of the most ambitious scientific projects of the former Soviet Union. The project aimed to drill as deep as possible into the Earth's crust and began on May 24, 1970, on the Kola Peninsula. Utilizing state-of-the-art technology, including the Uralmash-4E and later the Uralmash-15000 drilling rigs, several boreholes were drilled from a central hole. The deepest of these holes, SG-3, reached 12,261 meters and remains the deepest hole ever drilled to this day. This book highlights the technical challenges, scientific discoveries, and the significance of the project for the geosciences.