Adult Paranormal Romance series. 4 Brothers can turn/ shift into different animals (bear, wolf, etc.). They live under the radar, meet a woman, go the run, etc. Cover: man's face on one side of book, animal he turns into on other side. Read around 2008.

[Aria]

I read this series when I was young (probably too young), and am looking for it again out of curiosity. It is a fantasy romance series about 4 brothers who each have the power to turn into a specific animal. One can turn into a bear, one can turn into a wolf, and I don't remember what the other two can turn into. As far as I know, there are 4 books in the series, and each book is from the pov of a different brother. The basic plot of each book goes like this: the pov character (one of the brothers) is living his life, generally trying to go under the radar cause people are hunting them, presumably because of their animal powers. The brother meets a woman, who gets wrapped up in the brother's circumstances, they go on the run, they eventually fall in love, they have a bunch of heteronormative sex, woman somehow gets taken or put in danger, then the brother has to use his turning into animal powers to save her. I unfortunately don't remember the names of any characters :/

The covers also followed a similar format as each other. Generally, it would be like the man's face on one side of the book, the animal he can turn into on the other side, and in between would be a "wall" of cover separating them, I know one is green, another is blue.

I read these books in like 2008, but have no idea when they were published. Any help would be appreciated!

[Juels]

Maybe The Billionaire Shifter's Club Boxed Set by Diana Seere?

The Billionaire Shifter's Curvy Match
The Billionaire Shifter's Virgin Mate
The Billionaire Shifter's Second Chance
The Billionaire Shifter's Secret Baby
The Billionaire Shifter's True Alpha
The Billionaire Shifter's Final Redemption

[Lobstergirl, au gratin]

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[Kris]

Aria, I copied book details to the topic header. Feel free to edit it.

Jules's suggestion above of the Billionaire Shifters Club series by Diana Seere looks very promising. 4 brothers who can shift into a wolf, bear, mountain lion, and tiger.