THE HAIRY BIKERS: MUMS KNOW BEST is the BBC's biggest food event for years.Si and Dave undertake a nationwide search for Britain's lost recipes - those forgotten gems or secret scribbles handed down through the generations - for a landmark TV series.The Bikers send out a call-to-arms for mums, daughters and their grandmothers to unlock their private recipe archives and share with, and learn from, other mums of all races and backgrounds.This is a heart-warming and down-to-earth recipe book that takes place against beautiful British backdrops throughout the summer. Here yummy mummies, Northern matriarchs, West Indian foster mums and ladies of the manor all come together with recipes to share, tips to swap and techniques to learn, in a book that contains 112 different recipes.