Humble Bundle: Doctor Who RPG eBook Bundle deals

Humble Bundle currently has a deal running for your choice of different bundles of Doctor Who RPG PDF / CBZ ebooks (Note: one of the "books" in each bundle is a 20% discount coupon for Cubicle7 purchases).
Offer ends in just under 21 days, as of this post.
    Doctor Who: Ultimate RPG Collection Book Bundle
    -----------------------------------------------
    US$25 for 45 books           Pay more and support
    US$18 for 30 books           BBC Children in Need
    US$10 for 11 books           charity
    US$1 for 5 books
    Bring the Whoniverse to your table
    Whovians, treat your gaming group to endless nights
    of adventure across time and space with this RPG
    bundle from Cubicle 7 Games! If you're partial to 5e,
    the Doctors & Daleks: Players Guide gives you
    everything you need to play in the world of Doctor
    Who with familiar rules and mechanics. Plus, with
    the Doctors & Daleks: Alien Archive on hand, you'll
    be able to add the Doctor's most recognizable
    adversaries to your adventures! You'll also get the
    second edition core rulebook for Doctor Who: The
    Roleplaying Game for bespoke Whovian adventures, and
    a host of supplements, adventures, and more, for both
    systems! Your purchase helps the BBC Children In Need
    charity.
    <https://www.humblebundle.com/books/ultimate-doctor-who-rpg-collection-cubicle-7-games-books>