A Galaxy Trilogy, Vol 4: Across Time/Mission to a Star/The Rim of Space

Here are three more stories from the pioneers of the early days of pulp science fiction in this fourth and final volume of the Galaxy Trilogy series.
In Across Time, Unidentified Flying Objects are closing in fast, but Captain Zachary Halleck doesn t finalize his move to protect the secret Air Force research station. Why?
In Mission to a Star, human-like aliens land on Earth and claim that they come in peace, asking for only complete freedom and Earth s friendship, trust, and understanding for as long as they choose to remain.
In The Rim of Space, from the first book of the Rim World series, the Rim Runners explore desolate planets inhabited by intelligent amphibians, tea-loving lizards, humanoids, and a pre-industrial civilization.

"As Asimov chronicled the Foundation, as Heinlein built his Future History, so Chandler constructs the epic of the Rim Worlds." (Analog Science Fiction)