Seth Casteel's fabulous 2012 photo book, ''Underwater Dogs,'' captured the exact moment that pets plunged into the pool, wide-eyed and happy; now he's repeated the experiment — with predictably adorable results — in ''Underwater Puppies''

By Tina Jordan
Updated September 05, 2014 at 04:00 AM EDT

Doggy Treats
With so many irresistibly cute canine books coming out this fall, you’ll want to go fetch all of them.

Dogs in Cars, Lara Jo Regan
Available 11.3.14

Harlow & Sage (And Indiana), Brittni Vega
Available 10.2.14

The Little Book of Corgi Charm, Trevor Davies
Available 10.7.14

Little Darling’s Pinups for Pitbulls, Deirdre Franklin
Available 10.16.14

Shake Puppies, Carli Davidson
Available 10.28.14