Iris is the fourth book in the Hart Land series, these can be read as stand alone, but they do build on the characters so you would get more if you read them in order. Iris has been away from the lake for a while since she has been a nanny, but the kids she was nannying were out of control and she needed to get away from them as they were wearing her down.
Eric has been very independent from his family working on oil rigs and being called to leave a moments notice. But when his sister and brother-in-law died and left him as guardians of his niece and nephew he willing stepped up, but wasn’t sure how to do anything. But since there was a planned trip to the lake house on the Hart Land he figured that would be a good start. Hoping his time there would be a way to help find a new kind of normal with having to adjust with two kiddos to raise.