Faeries, devils, angels, fallen, and more. At first this sounds like it would turn out to be some kind of hot mess, but Fox seamlessly fits all of these characters together in a way that not only makes them fit, but makes them fit WELL.
The world-building is enough for a series starter with a lot of room to grow/develop as the MC learns more about the paranormal realms and species that are out there. I like that there's an established relationship between Heaven, Hell, and the Fae kingdoms; it's a neat way to blend so many different groups together and make a realistic way for the characters to find themselves all interacting with one another.
We learn what we need in order for the events of book one to make sense, but it's clear that we (and Ava) are going to need to learn a lot more as the series continues.
Fox does something a little different from many of the MCs I've met over the last few months in the RH universe. Ava is the sole caretaker for her younger brother adds another layer of dynamics to the whole harem relationship. The men need to connect with not only Ava but with her brother too because they're family. I think this is done in a very adorable way; we get to see little snippets of the men trying to bond with him and take on a role model/big brother/not quite dad role, and the results are hilarious.
I like that we're seeing an MC who needs to worry about someone else. I'm really looking forward to seeing more about how their little family continues to develop.
Ava is very likable; she's a bit sassy, a bit awkward, and she tries hard to be a good sister. She might not always succeed once things start getting crazy, but there's a believable relationship between the characters that's endearing.
The men are an odd bunch: a rare fae, a devil, an angel, and a fallen. Their personalities range from flirty jokester to pot-head surfer dude. I think that book one really gives Seamus the chance to shine the most, and I found him the easiest to connect to. I was surprised how much I wound up rooting for Micah by the end; there winds up being something very endearing about his stickler attitude and the way he's just so unfamiliar with bending or even breaking the rules. He kind of snuck up on me, and I think he's one of the guys who has a lot of room to grow/develop into something more.
Overall, I quite enjoyed Heaven Sent. I'm not entirely sure what I was expecting, but I didn't know that I'd want to read more. There are some moments that will make you laugh out loud, shake your head in frustration, and definitely ones that will make you smile. I got a little bit of everything I wanted in this book, and I'll definitely be looking out for the next one.