The Empty Door Series by E.R. Mason

4.11 · 9 ratings
  • The Empty Door (The Empty Door #1)
    #1

    The Empty Door (The Empty Door #1)

    E.R. Mason

    Rated: 3.67 of 5 stars
    · 3 ratings · published 2010

    Cassiopia Cassell’s high IQ had always been too much for the men she’d dated. But now her beloved father was missing, and the only way to rescue him required she retain the services of a man with special abilities, a man she did not care for, and one she would have to convince to accompany her through an unexplained portal that led to dangers beyond imagination.

  • The Virtual Dead (The Empty Door #2)
    #2

    The Virtual Dead (The Empty Door #2)

    E.R. Mason

    Rated: 4.00 of 5 stars
    · 2 ratings · published 2011

    (Sequel to ‘The Empty Door’) People have found a new way inside the computer. Some never return. Because of their special abilities, Cassiopia Cassell, the TEL 100D robot, and Scott Markman are drawn into the shadowy and dangerous world of the Dragon Masters, a mysterious order that will do anything to preserve its secrecy, and achieve its unearthly goals.

  • The Glass Hummingbird (The Empty Door #3)
    #3

    The Glass Hummingbird (The Empty Door #3)

    E.R. Mason

    Rated: 4.50 of 5 stars
    · 2 ratings · published 2011

    Cassiopia Cassell's IQ had tested at the genius level on more than one occasion. When tragedy strikes, her genius is suddenly driven by love, making her seem almost like a super hero. But in the strange and dangerous dimension called Dreamland, even super powers may not be enough.

  • The Aurora City (The Empty Door #4)
    #4

    The Aurora City (The Empty Door #4)

    E.R. Mason

    Rated: 4.50 of 5 stars
    · 2 ratings · published 2013

    Alien creatures are set to invade and overrun Earth. The secret to stopping them may be hidden within a mysterious computer that can only be accessed through the use of a strange, sometimes deadly sensesuit. Join Cassiopia Cassell and Scott Markman as they are drawn into a dangerous world filled with mystery, intrigue, and well-kept secrets that could save Earth from a bizarre annihilation.

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