Double Helix 3 (TOS)

**The mystery deepens and the action intensifies for 12-year-old Cruz Coronado and friends in the exciting third book in the Explorer Academy series.** The adventure continues for Cruz, Emmett, Sailor, and Bryndis as they continue their studies at sea and travel to exotic locations around the worl

### Product Description Like the twisted strands of mutant chromosomes, an insidious alien conspiracy winds its way through the entire Alpha Quadrant, just as it stretches across several years of Starfleet history -- beginning near the very start of Captain Picard's command of the *Starship Enterpr

### Product Description Like the twisted strands of mutant chromosomes, an insidious alien conspiracy winds its way through the entire Alpha Quadrant, just as it stretches across several years of Starfleet history -- beginning near the very start of Captain Picard's command of the _Starship Enterpr

### Product Description Like a lethal bacillus coursing through the bloodstream of the galaxy, a fiendish master plan has spread death and terror across the 24th century -- until two heroic captains risk everything to stamp out the evil at its source! For more than a decade, since the very beginn

### Product Description Like a strand of mutating DNA, a deadly conspiracy winds its way through the entire Alpha Quadrant, just as it stretches across several years of Starfleet history -- even to the Cardassian space station that will someday be known as *Deep Space Nine.* A virulent plague has

SUMMARY: Like intertwining filaments of human and alien DNA, a ruthless campaign of revenge has threaded its way through the galaxy, touching billions of sentient beings -- and changing forever the life of Lieutenant Thomas Riker. Tom Riker, an identical duplicate of the "Starship Enterprise's(TM)