Starfleet Corps of Engineers is a series of novellas set in the Star Trek universe, initially under the title S.C.E. (2000-2006), now under the new title Corps of Engineers (2006-present).

Star Trek: Starfleet Corps of Engineers #39: Grand Designs
"Tensions between two planets in the Rhaax system have abated to the point where the sides have agreed to disarmament. The S.C.E. crew on the U.S.S. da Vinci is sent along with a Federation diplomat to act as weapons inspectors to make sure that the terms of the ceasefire and disarmament are followed. But soon the S.C.E. learns that neither side has any intention of truly disarming and then Tev, P8 Blue, and Soloman are captured by one side. Captain Gold must find a way to rescue his crew, and keep the peace, before both planets explode! "

Star Trek: Starfleet Corps of Engineers #40: Failsafe
"When a cultural observation probe malfunctions and crash-lands on a pre-warp world, the S.C.E. is sent in to destroy it before the technology falls into the hands of a civilization not prepared for it. Unfortunately, when Commander Gomez and her team arrive, they find that the device has already been captured by terrorist forces who intend to reverse-engineer the technology into a weapon that will change the balance of power on their world to deadly effect! Now it's a race against time for the S.C.E. to find and destroy the probe before it's too late! "

Star Trek: Starfleet Corps of Engineers #41: Bitter Medicine
"A routine salvage operation becomes a desperate rescue mission, as the U.S.S. da Vinci encounters a failing abandoned ship -- that isn't so abandoned! There is one survivor aboard the derelict vessel: a boy who carries a most deadly disease. Even as the S.C.E. works to salvage the ship, Dr. Lense must race the clock to find a cure for the boy -- or condemn him to live out his days alone on the dying vessel! "

Star Trek: Starfleet Corps of Engineers #42: Sargasso Sector
" STARFLEET CORPS OF ENGINEERS The assignment seemed mundane enough: clearaway a ""junk pile"" of abandoned ships that are adrift in a region of space that is in the way of a convoy of colony vessels en route to a new world. But the S.C.E.'s missions never stay routine for very long... Odd occurrences start happening all over the U.S.S. da Vinci, compounded by the fact that none of their solutions for clearing the ships seems to be working. Soon, the very nature of reality becomes endangered, and Soloman must interface with a powerful alien computer to keep the da Vinci from falling victim to the... SARGASSO SECTOR"

Star Trek: Starfleet Corps of Engineers #43: Paradise Interrupted
" STARFLEET CORPS OF ENGINEERS For centuries, Risa has been the garden spot of the Alpha Quadrant, the place to go for rest, relaxation, and recreation. When the S.C.E. crew of the U.S.S. da Vinci learn their latest assignment is to Risa, they expect to find themselves in paradise. But paradise isn't what it used to be. Something is draining power from the complex weather systems that keep the planet pleasant, and if the S.C.E. doesn't determine the cause soon, Risa as they know it will cease to exist forever! Paradise Interrupted"