Jellyfish are some of the most alluring and ethereal of ocean creatures, and have floated the world s seas for at least 500 million years, among the oldest of life forms. They also are among the most resilient, and have been blooming in the wake of environmental change. Some scientists predict they could become among the greatest living populations on earth in years ahead, and their proliferation is closing beaches and nuclear power plants alike. So it s important that we get to know them better, and this exquisite guide offers that opportunity. "Sea Jellies" is an alluring look at this remarkable, beautiful, and deadly group. Each of 50 species is photographed fifty photographed profiles of individual jelly species that explores their anatomy, life history, taxonomy, and ecology. The stories in "Sea Jellies" are spellbindingly different; true alien tales of the oceans incredible drifters."