Seth Casteel, whose series of underwater photos of dogs fetching their ball first went viral in 2012 has continued to delight as the series extends with Casteel’s latest book, Underwater Puppies, set to release later this year.

Casteel continues to share hilarious underwater photos on his wildly popular Facebook and Instagram pages. Prints are available through Zenfolio and you can find book ordering information here.

[featured previously on the Sifter here and here]