Portadas de libros, book cover,

  1.   Larry Niven - Protector by Uflinks on Flickr.

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    Larry Niven - Protector by Uflinks on Flickr.

  2.   Far Boundaries by jovike on Flickr.

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    Far Boundaries by jovike on Flickr.

  3.   ballantine U2191 by Boy de Haas on Flickr.

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    ballantine U2191 by Boy de Haas on Flickr.

  4.   orbit 0860079694 by Boy de Haas on Flickr.

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    orbit 0860079694 by Boy de Haas on Flickr.

  5.   Fantasy and Science Fiction / Vol. 48 Nr. 2 by micky the pixel on Flickr.

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    Fantasy and Science Fiction / Vol. 48 Nr. 2 by micky the pixel on Flickr.

  6.   Avon38950 by Boy de Haas on Flickr.

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    Avon38950 by Boy de Haas on Flickr.

  7.   ace G-606a by Boy de Haas on Flickr.

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    ace G-606a by Boy de Haas on Flickr.

  8.   ace G-614b by Boy de Haas on Flickr.

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    ace G-614b by Boy de Haas on Flickr.

  9.   Philip K. Dick - Ubik by Uflinks on Flickr.

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    Philip K. Dick - Ubik by Uflinks on Flickr.

  10.   Robert A. Heinlein - Rocket Ship Galileo by Uflinks on Flickr.

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    Robert A. Heinlein - Rocket Ship Galileo by Uflinks on Flickr.

  11.   Robert A. Heinlein - The Door Into Summer by Uflinks on Flickr.

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    Robert A. Heinlein - The Door Into Summer by Uflinks on Flickr.

  12.   ace D-176b by Boy de Haas on Flickr.

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    ace D-176b by Boy de Haas on Flickr.

  13.   ace D-113a by Boy de Haas on Flickr.

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    ace D-113a by Boy de Haas on Flickr.

  14.   Terra 025 by micky the pixel on Flickr.

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    Terra 025 by micky the pixel on Flickr.

  15.   ace D-44a by Boy de Haas on Flickr.

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    ace D-44a by Boy de Haas on Flickr.