sentences:  In Autumn 2002, Ken Livingstone and the GLC invited her to write Pick It Up – an environmental book featuring litter detectives – which was read at a high-profile launch by Lord Attenborough.The Spanish edition of The Princess's Secret Letters  saw the main character, Princess Isabella become renamed as Princess Letitia in recognition of the marriage in 2004 of Letizia Alvarez, a journalist, to the Spanish Heir Apparent, Felipe, Prince of Asturias.In April 2012 Hilary Robinson with illustrator Mandy Stanley launched The Copper Tree Class books a series of accessible picture books designed to help young children cope with challenging situations.