This pdf is 15 pages long, 1 page front cover, 1 page editorial, 1 page SRD, 1 page advertisement, leaving 11 pages for this short adventure, so let's check it out!
This being an adventure review, this review contains SPOILERS. Potential players might want to jump to the conclusion.
All right. Blessed by Poison is a rather straight-forward adventure - Kurk Davrip, famous Goblin Hunter has vanished and it's up to the PCs to find him. Once they have found an abandoned goblin camp-site, they'll encounter two kinds of deadly spiders. a mini-map is provided for this and all other combat encounters. Via a skill-challenge (nice to see skills get some use) the PCs can track the trail to a cavern and goblins preparing an ambush. Once the green pests have been conquered, the PCs will have to explore the cavern, fight a special spider that has created zombies and finally meet Kurk.
Or rather what has become of him. The hunter is now host to a terrible swarm of nightmare spiders - a weapon that lets him combat the goblins, but at the expense of his humanity. The final battle rocks and has the option of PCs using social skills to make Kurk shed the spiders (which is rather unhealthy for him as they erupt from his body...) and only fight them - should they fail with their smooth-talking, they'll have to contend with both Kurk and the swarm. The adventure closes with the new template for hosts of nightmare spiders.
Editing and formatting are very good, I didn't notice too many glitches. Layout adheres to an easy-to-read two-column b/w-standard. The adventure has no bookmarks and no artworks. The maps are ok and the fact that we get multiple maps for each encounter. The adventure is straight-forward and simple and the foes feature neat modifications that make them feel not like some critters straight from the bestiary and the final confrontation offers a chance for redemption. On the other hand, the adventure does not feature a unique or legendary storyline, just a straightforward, neat, short adventure. In the end, my final verdict will take the low price and the nature of the adventure into account and clock in at 3 stars - slightly above average, neat little scenario.
[3 of 5 Stars!]