Alexandra Crockett, a musician and jewelry designer, has been present and active in the metal community since the age of 15 and is currently a doctoral student in the Bay Area. Beginning her idea for the book by doing promotional photos for bands and friends she would cat-sit for, she found an interesting dynamic between men in the metal scene and their cats. The idea for the book formed around giving accolades to local musicians and artists in the metal scene, while also bringing to light no-kill shelters and their importance for animal rights.

Dillon was born in the spring of 2013. He lived for four months on the streets near Boston, MA before being scooped up by the Animal Rescue League of Boston.

An Amur tiger walks across a passageway after a news conference at the Philadelphia Zoo, Wednesday, May 7, 2014, in Philadelphia. The see-through mesh pathway called Big Cat Crossing is part of a national trend called animal rotation that zoos use to enrich the experience of both creatures and guests. (Photo by Matt Slocum/AP Photo)

When Dutch photographer Marcel Heijnen moved to Hong Kong, the territory’s shop cats instantly caught his eye. While the “feline emperors” are the stars, his shots also offer insights into Hong Kong’s wares, from dried fish to paper. Here: Hong Kong Shop Cats #17. (Photo by Marcel Heijnen/Blue Lotus)

“Carli Davidson is both an internationally recognized award winning photographer and an experienced animal trainer and caretaker. She is able to capture the innate personalities of her subjects using her professional understanding of animal behavior. She is a freelance photographer for the Oregon Zoo, and works regularly with domestic animals both commercially and personally for her fine art projects”. (Photo by Carli Davidson)

A cat Loki with a pair of distinctive fangs has quickly become one of the most famous felines on Instagram thanks to evil-looking face. Loki, who now has more than 23,000 followers online, was adopted from a cat shelter by her owner Kaet, who explained on in a posting that she knows very little about the cat’s distinctive appearance. Adopted from a cat shelter, nothing was mentioned to his owner Kaet about her kitten's unique features.

Meet Sygmond the grey. He had the face of a king when he was a kitten. This majestic cat is even fluffier today fully grown and whenever he goes, he makes it epic.