The post-war London of 1948 is rebuilding, the people are recovering, and Ben and Polly have arrived with an old friend with a new face. But they're not the only visitors. A very different kind of war is being fought, in a department store, and they are in the middle of it…

Written by Penelope Faith and performed by Anneke Wills, Doctor Who – Short Trips: Lost and Found is a mysterious historical story where a young woman must face the fears of her past. Download this website exclusive title today for just £2.99! Smartphone users can listen straight away using the Big Finish app, available to download now for iOS devices.

The Second Doctor and his friends return later this month in Doctor Who – The Companion Chronicles: The Second Doctor Volume 1. Featuring four new stories from across the Time Lord's incarnation, you can pre-order this four-disc set for just £20 on CD or £15 to download. A complimentary digital copy is also included with CD orders, with PDF scripts and an exclusive music suite available as Big Finish exclusive extras.

Next month, Rufus Hound returns to narrate the Meddling Monk's latest scheme in Doctor Who: The Blame Game. Other upcoming adventures include a new mission for the Third Doctor in Doctor Who: Damascus (narrated by Tim Treloar) and an E-Space encounter for Adric (Matthew Waterhouse) in Doctor Who: A Full Life.

For extra adventures, you can subscribe to the Doctor Who Main Range, where every three months an exclusive Short Trip is added to your account – including Doctor Who: The Monkey House by Nic Ford, a new story for the Fifth Doctor, Nyssa, Tegan and Turlough available with subscriptions containing Doctor Who: The Two Masters.

For more of the Second Doctor's Big Finish titles, visit our Second Doctor Collected Page here.