Concept: “A great beast, part beaver, crocodile, and demon”
Content: A vengeful amphibious behemoth
Writing: A straightforward stat block with artfully composed lore
Art/design: Well laid out with detailed art that leverages stark contrast and organic lines to strong effect
Usability: Don't litter and you're probably safe

Concept: “These totems were erected to protect the village from demons and evil spirits. After centuries of thankless service […] They became the very things they were meant to defend against.”
Content: A supernatural guardian turned on its wards—and everyone else
Writing: Some quick background and mechanics
Art/design: Text cant and illustrations convey a sense of the monster's movement
Usability: Mechanics are split by descriptive text but still distinct and easy to reference

Concept: “Her decaying skin, stringy hair, nails and teeth are stained by the peat-blackened waters where she prowls.”
Content: Jenny Greenteeth adapted to the swamps of the Greater Galgenbeck area
Writing: Descriptive text provides character and tactics; stat block includes a chain of nasty Specials
Art/design: Builds the isolated, suffocating atmosphere that defines the monster
Usability: This is why you shouldn't play in swamps (or maybe why you should when you're playing Mörk Borg)

Concept: “‘They are often seen before Miseries befall the world, leading many to believe them to be agents of Verhu, Nechrubel, or some other malevolent entity.”
Content: Relatively benign; may transfer Omens from players to the GM, and feathers allow PCs to re-roll low Omen rolls (at a cost)
Writing: Mostly mechanics with concise description of behavior
Art/design: Monochrome silhouette suits the monster concept
Usability: Additional in-game lore, inspiration, and hooks provided on the product page 

Concept: “Eyes like embers of hell that pierce deep inside you. The BLACK POODLE taunts its victims – attacking only when it is provoked.”
Content: A cunning, monstrous hound that can induce fight, flight, or freeze responses in PCs
Writing: Describes sinister behavior alongside stat block and Specials
Art/design: Gets a lot of aesthetic mileage out of a relatively limited set of elements
Usability: Definitive proof that poodles are jerks

Concept: “Prowling the shadows near gallows, battlefields, and other sites of violent death, Black Shuck is a foul omen.”
Content: A supernatural portent of impending death (yours)
Writing: An even split between descriptive text and mechanics
Art/design: Text is also visually split by the central image of Black Shuck
Usability: Easy to use but difficult to kill, making him ideal to hound your players with

Concept: “A murdered godsnake reanimated by rotten souls at the moment of its ignition into blue-green corpse-fire.”
Content: Giant, on-fire snake-guardian of the Yvy Forest
Writing: Detailed descriptions of context, setting, and creature, but no explicit mechanics
Art/design: Nice illustration and overall design
Usability: Requires some prep on the GM’s part 

Concept: “The mere doubt of his existence is enough to draw him forth.”
Content: An undying patron with a malicious streak
Writing: Primarily devotes attention to interaction (rather than combat) mechanics
Art/design: Choices make the document easy to navigate
Usability: May be difficult to read at size or enlarged 

Concept: “A widely held belief is that the ‘bears’ that live in the trees are harmless watchers, but in reality they are monsters that will murder hapless and unwary travelers.”
Content: Murder koalas
Writing: Provides general context and specific mechanics for encounters
Art/design: Efficient use of color; clever text arrangement simultaneously reveals and obscures the monster portrait in keeping with the lore
Usability: Does the sneaking for you

Concept: “The blued, frost bitten corpses appear when the winter winds howl and the snow falls heavily … seeking their revenge.”
Content: An undead scourge that gains power by wreaking vengeance
Writing: Provides 4 stat blocks alongside plenty of background for inspiration
Art/design: Text heavy, but colors aid quick navigation
Usability: Gives GMs carte blanche to make it even meaner and nastier

Concept: “A fifteen-soldier-tall indestructible spirit, the gashadokuro should provide decent challenge for scvm that have survived a bit too long.”
Content: An enraged murder machine that uses a Morale pool for attacks and damage
Writing: Clear explanations of special abilities
Art/design: Simply but skillfully adapts layout to the source image
Usability: A bit more complex than most monsters, but in a fun and tactical way

Concept: “Lights burning over cemeteries, old mass graves and dead corpses.”
Content: An adaptation of the will-o’-the-wisp that lures PCs toward hazards
Writing: Efficiently conveys mechanics and lore
Art/design: Cool colors and establish an appropriately haunted character
Usability: May be frustrating for PCs but entertaining for GMs

Concept: “Within the woods is something cruel and mischievous. Sometimes it’s a witch, sometimes it’s a spider.”
Content: A spider-witch whose attacks cause thematic mutations
Writing: Poetic flourish in the description, witty one-liners in the stat block
Art/design: Nice spatial arrangement of visual and verbal components
Usability: Remember to roll for mutations

Concept: “An emissary from hell, sent by the devil to hunt humans and take them back to hell”
Content: Includes the title character and its infernal entourage
Writing: Provides a general overview of the concept and covers stats for 4 types of demons
Art/design: Colors and typographical choices convey that fire-and-brimstone character
Usability: Some more complex morale rules require a bit of extra arithmetic