There is "not enough" trend in this book, IMHO.

Human Bart's not sick enough the way his illness is described.

Pest does not care enough & not emotional enough. He is detached and doesn't spend enough time with Bart.

Pest and Death talk about secrecy but they are not secretive enough. In fact they can't seem to keep their mouths shut.

The whole falling in love process is not convincing enough.

The whole case of pandemic about to explode is not believable either. 

Took some notes while reading. Reporting back:

- The first 10% of the book is all about child birth. Not sure what's with refusing painkillers during 14+ hours of painful misery. I would rather be ready and alert for my babies and enjoy the experience. But to each its own. Not judging, just saying those 10% did feel like 14 hours.

- What I wanted when I started this installment was the evil doctor to come back. What I got was a hormonal gamma. like uber hormonal. 

However, Paul hinted that there is hope yet! Abuse and torture and not a drop of epidural in sight! =)

- The second case of TSTL kicks in around 40%. I am disappointed. It takes away from pain and torture because - honestly - it's self inflicted :/ Someone needs to put a leash on Aden and lock him in a cage for his own safety. Oh, wait! The good doctor, it seems, is the one with the right ideas!

- Nate is "innocent"! Hahaha, good one! Almost killed one person, and intentionally at that, then shot and killed another, conspired with the worst most evil doctor evah, not to mention that shady business with his own mother, and yet he is "innocent". I am about to die laughing here!

I really loved this book up until 60%, where I started to feel like the author is trying to inflict as much pain and suffering on the MCs as possible without introducing actual physical torture. Oh, wait, there was that bear! :( Anyway, I would have done just fine with all of that if it wasn't for the finale. Everything, and I mean - e-veh-ry-thing - bent and twisted and in the end righted itself, short of resurrecting dead people. 

And so, while I enjoyed most of the book immensely and even got some perverted satisfaction out of the too-good-to-be-true ending, I can't give it more than 3.5 stars. Which way to go tho, which way to go? 

Ahhh, hell, I did read it well into the night, so - 4 stars in the end.

The first chapter, maybe part of the second too, was great. I thought the book was promising, but as soon as the prince (why was he a prince and not a king? @.o) took Amory into his chambers for a talk, that was it. Insta-love with myriads of kisses from there and on.

Nothing's happening in the first part of the book, while the second is full of drama: "don't do it, you'll die!!!" and "no I have to do it or you will die!!!" and "I can't stand to see you die!!!" and "I have to do it, even if I die, cause no one else is here to help!!!" with slight variations. The MCs are constantly injured and spend weeks in bed suffering their suffers and doing nothing. 

The world building is non-existent.
The cat-shifter element is close to non-existent.
The MPREG element is minimal. Amory got pregnant, he had some morning sickness(we were told), he was uncomfortable, he had a baby - painlessly, no less.

If you are a fan of male pregnancy, let me refer you toBlack Snow. Not only it has world-building, real adventures and characters with personality, but the significant portion of the book is devoted to Snow being pregnant. Descriptions are vivid, details are plentiful and very close to the real non-male thing. Just a little warning: the medical tools are somewhat modern ;)

PS The Cover! Love the Cover ♥
Another rec: if you want a book matching it's cover (and the other way around), read Queer Magick

A  very quick read. Cut out headache-inducing bickering and meaningless dialog and the story shrinks from 224 pages to about 124. Cut out rivers of blood and gun-waving, and you get it down to about 70 in no time. Then tune out the descriptions of posh surroundings and you are looking at mere 60. Pull out and burn the bush that the author beats around instead of moving the story forward and you can get maybe 40 pages of the actualstory. 
I am not going to review that story, just want to mention that yet another creature went through pain and suffering and was almost destroyed emotionally and physically so we could read about Arman and his guns.