Dark Pattern - Andrew Mayne

Dark Pattern is book four in the Naturalist series. I hope it's not the last. This book is available through kindleunlimited.

Very highly recommended.

Trained to Hunt - Simon Gervais

Trained to Hunt is book two in the Pierce Hunt series. This book is available through kindleunlimited.

Recommended. Too many threads at once for my taste though.

Murder Theory - Andrew Mayne

Murder Theory is the third book in the Naturalist series. This book is available through kindleunlimited.

Very highly recommended.

Hunt Them Down - Simon Gervais

Hunt Them Down is the first novel in the Pierce Hunt series. This book is available through kindleunlimited.

Very highly recommended.

Looking Glass - Andrew Mayne

Looking Glass is the second book in the Naturalist series. This book is available through kindleunlimited.

Very highly recommended.

Baptism of Fire - Andrzej Sapkowski

Baptism of Fire is the third book in the Witcher series.

Very highly recommended.