Imagine a neurodivergent Sherlock Homes with no social skills. In her third outing, Professor Eustacia Rose gets thrown into a labyrinth of mysteries that might, just might, return her previously stolen collection of poison plants. Meanwhile, her partner Matilde has plans for moving in that include new paint finishes, cushions on the bed and discarding all of Eustacia’s father’s things. And Eustacia’s rival at UCL keeps trying to tempt her into collaborating, accompanied by the glamorous plant hunter Zsa Zsa, who keeps getting familiar with Eustacia… What’s a botanical toxicologist to do? Full of joy and detail, the fact that this is the third book isn’t much of a barrier to your enjoyment; there’s definitely backstory that you could read beforehand but you can infer enough to let Eustacia’s acerbic directness amuse and thrill as she attempts to be detective, partner and professor in equal measure.