You have exceeded your limit for simultaneous device logins.
Your current subscription allows you to be actively logged in on up to three (3) devices simultaneously. Click on continue below to log out of other sessions and log in on this device.
Full of fascinating information and compelling arguments, this eye-opening (or more aptly a mouth-closing and nostril-opening) work is highly recommended for those with health conditions related to sleep apnea, asthma, and snoring.
This well-written title will either fascinate or repel readers with its discussions of marine life on the one hand and the horrific descriptions of the masochistic sport of freediving. Photos not seen.