Book illustration in the digital age: why does Amazon not let you start with the cover? Authors such as Neil Gaiman and William Kotzwinkle have produced several illustrated collaborations for all ages. G.D Falksen’s recent Ouroboros Cycle novels feature evocative illustrations, as does Brian Selznick’s The Invention of Hugo Cabret. Jeff VanderMeer’s Wonderbook relies on illustration as a guide to fantasy writing. But is interior art on the rise or fall?