Bahlaouan, B. (2025). Into the Great Wide Ocean: Life in the Least Known Habitat on Earth, by Sönke Johnsen, Princeton University Press, 2024, 248 pp., $24.95/£20.00 (hardback), ISBN: 978-0-6911-8174-5. Natural Built Social Environment Health, 1(2), 175–177. https://doi.org/10.63095/NBSEH.25.889273