Geri Halliwell countries, becoming the best-selling single by an all-female group of all time. It was followed by nine further number-one singles from their albums "Spice", "Spiceworld", and "Forever". Each member of the group received a nickname from the media. Halliwell was named "Ginger Spice". Other successful releases followed, including "Say You'll Be There" and "2 Become 1" from "Spice", and "Spice Up Your Life", "Too Much", and "Viva Forever" from "Spiceworld". On 31 May 1998, Halliwell announced that she had left the Spice Girls due to depression and differences between the group. The first official confirmation was an announcement to the
British Hit Singles & Albums the 11th edition onwards, the book was compiled by in-house editors at Guinness Publishing and, later, by David Roberts who had already been a chart editor and designer for the original team. From the 12th edition onwards (published in 1999), the book was published every year rather than bi-annually. In 2004, the book merged with "The Guinness Book of British Hit Albums" to form "The Guinness Book of British Hit Singles & Albums". The eighteenth edition of the book (2005) was billed as a "Special Collector's Edition" as it featured detailed information on the 1,000 Number Ones in the UK