Big Sigma Series by Joseph R. Lallo

4.22 · 54 ratings
  • Beta Testers (Big Sigma #0.5)
    #0.5

    Beta Testers (Big Sigma #0.5)

    Joseph R. Lallo

    Rated: 4.00 of 5 stars
    · 2 ratings · published 2018

    Beta Testers is a prequel novella in the Big Sigma setting. It’s important to use the right tool for the job… even if that tool hasn’t been tested. Garotte is the sort of covert operative a military sends in to tug at threads until a situation unravels. After a particularly ill-advised assignment causes the situation to escalate, he takes it upon himself to right what’s gone wrong before it gets out of control... more

  • Bypass Gemini (Big Sigma #1)
    #1

    Bypass Gemini (Big Sigma #1)

    Joseph R. Lallo

    Rated: 4.09 of 5 stars
    · 21 ratings · published 2011

    In a distant future, Trevor "Lex" Alexander was shaping up to be the next great race pilot until a fixed race got him banned from the sport. Reduced to making freelance deliveries, he thinks his life can't get any worse. That's when a package manages to get him mixed up with mobsters, a megacorp, and a mad scientist. Now his life depends on learning what their plans are, and how he can stop them.

  • Unstable Prototypes (Big Sigma #2)
    #2

    Unstable Prototypes (Big Sigma #2)

    Joseph R. Lallo

    Rated: 4.30 of 5 stars
    · 10 ratings · published 2012

    Following his last adventure, Trevor "Lex" Alexander's life has managed to return to normal. He's back to splitting his time between delivering packages and transporting passengers, along with the occasional foray into testing highly experimental equipment. He's even gotten back together with his girlfriend Michella Modane, who has been launched to stardom by her coverage of the Bypass Gemini incident. Yes, things are going quite well for Lex. But in his life, luck like this never lasts long... more

  • Artificial Evolution (Big Sigma #3)
    #3

    Artificial Evolution (Big Sigma #3)

    Joseph R. Lallo

    Rated: 4.25 of 5 stars
    · 8 ratings · published 2014

    Artificial Evolution is the third book in the Big Sigma series, building upon the story and characters introduced by Bypass Gemini and Unstable Prototypes. Lex, Michella and Squee are once again joined by the mercenaries Silo and Garotte. Along the way they'll need plenty of help from mad engineer Karter Dee and his AI Ma... more

  • Temporal Contingency (Big Sigma #4)
    #4

    Temporal Contingency (Big Sigma #4)

    Joseph R. Lallo

    Rated: 4.33 of 5 stars
    · 6 ratings · published 2016

    Temporal Contingency is the fourth book in the Big Sigma Series. Trevor “Lex” Alexander’s life has been less than blessed. In the past year he’s had to battle corrupt corporations, deranged techno-terrorists, and a robotic scourge. Now he’s received the opportunity to finally return to the racing career that had been cut short by some poor decisions. One could excuse him for not wanting to be embroiled in another insane adventure when he is so close to returning to his life’s calling... more

  • Indra Station (Big Sigma #5)
    #5

    Indra Station (Big Sigma #5)

    Joseph R. Lallo

    Rated: 4.25 of 5 stars
    · 4 ratings · published 2019

    What would you risk to do what you were born to do? Since college, Lex Alexander has had two loves. Hoversled racing, and Michella Modane. Everything from mega-corporations to robot rampages have threatened to keep them apart. Now, at long last, Lex may finally get a chance to race again. Just one thing stands in his way: Michella herself. The people behind the league have a history in organized crime. Lex believes they’ve gone legit. Michella isn’t buying it... more

  • Nova Igniter (Big Sigma #6)
    #6

    Nova Igniter (Big Sigma #6)

    Joseph R. Lallo

    Rated: 4.67 of 5 stars
    · 3 ratings · published 2020

    When you’ve lived a life like his, the last thing you want is for history to repeat itself.Lex has teamed up with mad engineers, clashed with technology-obsessed terrorists, and faced murderous robot hordes. He’s even traveled through time. He has skills no one in history has ever had.He’ll need them.Devastating cyber-attacks are targeting him. His closest allies are nowhere to be found. Ominous threats from his past seem to be leaking back onto his life... more

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