The 1985/86 apparition of Halley's Comet turned out to be the most important apparition of a comet ever. It provided a worldwide science community with a wealth

Halley's Comet tells its own history in this unique STEM book Halley's Comet, visible from Earth only once every 75 years, tells its own story in this unique in

Follows the comet through one full 7.6 billion mile circuit, explores history leading to present understanding of comets, emphasizes the work of Edmond Halley,

Pete de Lange must survive as a teenager in a small Natal town during the 1980s, together with his new-found friends, Sarita and Petrus. In a country marked by

Throughout the ages, comets, enigmatic and beautiful wandering objects that appear for weeks or months, have alternately fascinated and terrified humankind. The