Gideon's sword

"At age 12, Gideon Crew witnessed the brutal murder of his father, a scientist shot down by police during a hostage crisis. More than 20 years later, Gideon brings down the man responsible. But then a mysterious witness to his crime offers Gideon the chance of a lifetime ... At age 12, Gideon Crew witnessed the brutal murder of his father, a scientist shot down by police during a hostage crisis. More than 20 years later, Gideon gets his revenge ..."@en
"When Gideon turned 12, he witnessed his world-class mathematician father be accused of treason, then get shot dead. Twelve years later, knowing his father was actually framed, Gideon seeks to avenge his father."
"When Gideon turned 12, he witnessed his world-class mathematician father be accused of treason, then get shot dead. Twelve years later, knowing his father was actually framed, Gideon seeks to avenge his father."@en
""At age 12, Gideon Crew witnessed the brutal murder of his father. More than 20 years later, Gideon gets his revenge. But then a mysterious witness steps forward to confront Gideon on his crime---and offer him the chance of a lifetime"--Provided by publisher."@en
"After his relentless quest to avenge his father's death leads him to become a rogue operative with only one year to live, Gideon Crew must search the globe for the plans to build a menacing weapon of mass destruction."@en