A CETI marine biologist studying disturbing behavior among sperm whales meets a SETI astronomer and former astronaut searching for a missing star. Their investigations entwine them in a mystery spanning the deep sea, deep space, and deep time, revealing an unthinkable connection that requires their expertise to safeguard the future of Earth’s conscious life in a cosmos more terrifying than ever imagined. From $2.99. Free via KU. SHOP NOW /