Sir Chris HoySir Chris Hoy MBE was born and raised in Edinburgh. He raced BMX until he was 14. Chris won his first world medal in 1999 - a silver in the Team Sprint - and has won 11 world and two Commonwealth titles to date. Chris won his first Olympic gold medal in Athens in 2004 and went on to win three gold medals at the Beijing Olympics. In 2012 at his home Olympic Games in London, Chris won his fifth and sixth gold medals- in the Keirin and Team Sprint- becoming Great Britain's most successful Olympic athlete of all time with six gold medals and one silver. Chris was voted BBC Sports Personality of the Year in 2008 and awarded a Knighthood in 2009. Follow Chris at chrishoy.com or on Twitter: @chrishoy

Joanna Nadin
Joanna Nadin is the author of more than 70 books for children and young people. She has been shortlisted for the Roald Dahl Funny Prize and is a former broadcast journalist and Special Adviser to the Prime Minister. She lives in Bath. Follow Joanna at joannanadin.com on Twitter: @joannanadin

It's time for Fergus and his Hercules' Hopefuls teammates to go to the District Championships, where they're determined to beat the superior Wallace's Winners, even though their second-hand junk shops bikes are proving to be no match for the flashy new Sullivan Swifts that Wesley Wallace and his teammates have got free from their coach, Choppy Wallace.

It's time for Fergus and his Hercules' Hopefuls teammates to go to the District Championships, where they're determined to beat the superior Wallace's Winners, even though their second-hand junk shops bikes are proving to be no match for the flashy new Sullivan Swifts that Wesley Wallace and his teammates have got free from their coach, Choppy Wallace. Grandpa tells them not to worry about it, but it's hard not to compare when your gears keep grinding. What's more, Fergus thinks that his mum is falling in love with someone . . . and when Choppy Wallace offers the Hercules' Hopefuls four brand-new Sullivan Swifts, Fergus and Daisy suspect that the worst possible thing could be happening - is Mum's fancy man Wesley Wallace's dad? Could Fergus and Wesley become stepbrothers? Disaster!
In Nevermore, Fergus is determined to find his dad and tracks down the elusive kitchen cat Suet. With the help of his friends Lily and Unlucky Luke, they eventually turn the cat back into Fergus's dad, but before they have a chance to ask him anything the mean King Woebegot appears and arrests him! What will happen next...?