Star Trek Logs Five and Six
Adapted from the animated series created by Gene Roddenberry – featuring Captain Kirk and the crew of the U.S.S. Enterprise.

A compilation of Star Trek Log 5 and Star Trek Log 6, with special 40th Anniversary styling, and a newly-written introduction from Alan Dean Foster.

 Summary 
From the book jacket"SPACE. THE FINAL FRONTIER.... These are the voyages of the Starship Enterprise." Celebrate the fortieth anniversary of Star Trek with the original mission logs chronicling some of the crew's most bizarre missions and strangest encounters with alien races across the galaxy... where no man has gone before.Spock and Kirk seemingly meet a watery grave on the planet Argo. But the crew learns that the two have been turned into water-breathers by a mysterious race – and the consequences could cost them their lives.

An epidemic lethal to Vulcans strikes the Enterprise. But an Orion ship steals the cure and disappears into an explosive asteroid belt. If Spock doesn't receive the antidote, he has only three days to live.

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When a priceless religious object – the Soul of Skorr – is stolen from the Vedala asteroid, Kirk and Spock join the rescue party to help stave off a galaxy-wide holy war.

On the planet Draymia, where justice is swift, Dr. McCoy is charged with the wanton slaughter of thousands of innocent civilians nineteen years ago. But before Kirk can save his friend, he must first find out if the hideous charges are true.

To escape Romulan warships, the Enterprise sails into a gaseous energy field. But Kirk soon discovers that this cloud has a mind of its own – and a very wicked sense of play.

Tracing a mysterious probe, the Enterprise encounters mighty Kukulkan, the ancient winged serpent of Mayan-Aztec legend, who challenges them to solve a Sphinx-like puzzle... or die.

External link 
 

Logs Five and Six
Logs Five and Six