I read this book in a library, but can’t find it there anymore. I need help finding it because I searched for quite some time but can’t find it.

The book was about Earth being almost completely taken over by an alien race, and humanity is losing, so they make this team to infiltrate their compound (I don’t completely remember why) and they are modified to look like the aliens.

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    There was an episode of the old "Outer Limits" series along those lines called "The Chameleon" staring Robert Duvall but it doesn't appear to have been based on any book. "Wasp" by Eric Frank Russell also deals with a disguised human infiltrating an enemy alien planet but no invaded Earth angle there. Commented Aug 19, 2018 at 1:40
  • No that wasn’t it but thanks for the suggestion Commented Aug 19, 2018 at 17:48
  • "The Stainless Steel Rat Wants You" had a similar concept, but it was the entire galaxy, not just the Earth
    – Gerry Coll
    Commented Aug 20, 2018 at 7:26
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    Some additional details might help. For example, do you recall in what way the infiltrators were modified? Any details of the aliens' appearance, technology, language, history, customs, etc.?
    – Otis
    Commented Aug 28, 2018 at 17:29

3 Answers 3


This happens in The Stainless Steel Rat Wants You!, part of Harry Harrison's Stainless Steel Rat series, about former criminal Slippery Jim diGriz who is coerced into becoming a secret agent. In this volume, the Galactic League is invaded by all manner of hideous aliens. When the spacecraft containing his wife and one of his twin sons is "swallowed" by an alien spacecraft, Jim has his faithful scientist, Professor Coypu, design an alien suit for him (that looks like a miniature, rotting tyrannosaurus with bonus eyes on tentacles) and a robot-servant outfit for his other son so that they can infiltrate the alien headquarters. In his alien outfit, he goes by the name of "Slithey Tove".

  • The OP's plot summary is rather terse, but it sounds to me like the story is set on Earth.
    – user14111
    Commented May 17 at 11:33

Assault by Brian Falkner, the Recon Team Angel series book number 1

Front cover of Assault

It's 2030, and humanity is losing the war against alien invaders. A Band of Brothers meets Ender's Game in this sci-fi military thriller.

A team of six has been chosen . . .

. . . to infiltrate the enemy's headquarters in the heart of the Australian Outback. The six teens have been modified to look like aliens. They have spent years mastering alien culture so that they can talk, act—even think—like their enemies. But from the start, the recon mission goes terribly wrong. It's only when they are close to discovering the shocking truth of the aliens' plans that the team is forced to ask:

Who among them is a traitor?

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    – fez
    Commented May 17 at 9:04

"Wasp" by Eric Frank Russell may seem to fit. There is a war that humanity is losing due to the enemy's huge advantage in personnel and equipment. So the hero and some others are chirurgically modified and sent to enemy worlds to perform sabotage and psychological warfare.

  • I got the impression that the story the OP iis looking for is set on Earth.
    – user14111
    Commented May 17 at 11:30
  • (The only surgical changes are having his ears pinned back and his face dyed purple — the aliens are clearly very human-like.)
    – gidds
    Commented May 17 at 21:02

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