<p>Adrian Chiles is joined by three hugely successful guests - all shining stars in their fields.</p><p>Victoria Pendleton won it all as a track cyclist, a quite astounding athlete who dug so deep, physically and mentally, in her career, and also in navigating her life after cycling.</p><p>Cressida Cowell is the writer and illustrator behind - amongst other things - the incredibly successful How to Train your Dragon series.</p><p>So we have a sports star, and a star author, and in Professor Dame Jocelyn Bell Burnell we have someone whose work enabled the discovery of a new kind of star, a discovery which changed astronomy forever. </p><p>Producer: Gareth Nelson-Davies Assistant Producer: Imy Harper &amp; Ribika Moktan Productions co-ordinator: Josie Hardy Editor: Andrea Kennedy</p>