" 36 of the best books of their kind to be published in recent years, based on Penguin's distinctive late 1940s livery. Green is for mystery, Orange for fantastic fiction, Pink for distant lands, Dark Blue for real lives and Purple for viewpoints."
The price is listed as £105, but if you pop them into your basket it will show as only £70.
Click the link for the full list of titles. Each book appears to retail for £7.99, so that's saving almost £220 by purchasing them as a set!