SKU: 14814259824

Monster of the Week: The Codex of Worlds – Hardcover Sourcebook

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Description

Monster of the Week: The Codex of Worlds – Hardcover SourcebookExpand your horizons and cross the boundaries of reality with The Codex of Worlds, a massive expansion for the Monster of the Week RPG. This 416 page hardcover supplement is the ultimate toolkit for taking your supernatural investigations beyond the modern day and into alternate timelines, history, and the distant future. This Brand New hardcover edition is perfect for fans of the Powered by the Apocalypse (PbtA) system who want to add more depth,

Expand your horizons and cross the boundaries of reality with The Codex of Worlds, a massive expansion for the Monster of the Week RPG. This 416-page hardcover supplement is the ultimate toolkit for taking your supernatural investigations beyond the modern day and into alternate timelines, history, and the distant future.

This Brand New hardcover edition is perfect for fans of the Powered by the Apocalypse (PbtA) system who want to add more depth, variety, and epic scope to their horror-adventure campaigns.

Key Content & Gameplay Features

This expansion introduces game-changing mechanics that shift the focus from individual hunters to the strength of the group.

  • 15 New Team Playbooks: Define your group’s identity and gain unique collective benefits. Play as the Agents in Black, the Saturday-morning cartoon inspired Mystery Club, or the Interdimensional Crisis Team.

  • Five Detailed Setting Frameworks: Leave the contemporary world behind with fully fleshed-out alternate realities:

    • Gothic Century: Hunt monsters during the 19th-century Industrial Revolution.

    • Dreaming with the Gods: A surreal, mystical Renaissance-inspired world.

    • Monster Marches: A medieval fantasy realm where hunters are outcasts.

    • Bone Spear: Defend your community from spirits in a Stone Age enclave.

    • This Strange Old House: Focus your series on a mysterious, inherited mansion.

  • Customization Tools: Includes expert advice and resources for building your own unique team playbooks and alternate worlds.

  • Introductory Mysteries: Each new setting comes with a starter mystery to get your group into the action immediately.

Publication Details

  • Format: Hardcover (HC)

  • Publisher: Evil Hat Productions

  • Page Count: 416 Pages

  • System: Powered by the Apocalypse (PbtA)

  • Compatibility: Requires the Monster of the Week core rulebook to play.

Item Condition

This book is in Brand New condition.

  • Cover: The hardcover boards are factory-fresh with sharp corners, vibrant colors, and no shelf wear.

  • Spine: The spine is perfectly square and uncreased; the book has never been opened or read.

  • Pages: All 416 interior pages are pristine, white, and printed on high-quality paper that captures the atmospheric art.

  • Storage: Carefully maintained in a smoke-free, climate-controlled environment to ensure it arrives in flawless, collector-quality condition.

Item Specifications

Feature Detail
Title Monster of the Week: The Codex of Worlds
Publisher Evil Hat Productions
Format Hardcover
Condition Brand New (M/NM)

 

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SKU: 14814259824

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Kelli Lynn
Battle Creek, US
★★★★★ 5
Great Boys Suit Vest
Color: Black, Size: 12, Color: Black, Size: 12
I recently had a chance to pick up this boy's suit vest for my upcoming wedding, and it is absolutely perfect. It fits my son so well, running very true to size. The material is so silky smooth and soft, he absolutely loves it. He's autistic and has a thing about different fabrics and this does not irritate or bother him at all. It is going to be perfect over his long sleeve button down shirt. The best looks amazing on him, and the black color is definitely a very dark true black. It is such a great value for the money, you will not be disappointed! I highly recommend picking this up if you need one for your boy or if you have a family member who needs one for an upcoming event.
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Reviewed in the United States on April 4, 2026
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Arty
Chelsea, US
★★★★★ 4
Boys vest
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The vest looks nice. It seems well made and looks high quality. The fabric is nice. The buttons seem very sturdy. The vest is lightweight and shouldn’t be too sweaty. It’s a nice versatile piece. Can be dressed up or down. The fit is a smidge awkward on my boys, but they still like it.
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Reviewed in the United States on April 19, 2026
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QueenofAwkward
Houston, US
★★★★★ 5
Looks very nice and sizing is right
Color: Navy Blue, Size: 14, Color: Navy Blue, Size: 14
I ordered this for my 13-year-old who currently wears a size 12-14. He's closer to the 12, but has enough clothes in that size, so I ordered the 14 in navy blue. He chose the color, although it took him a while to decide. My kids so far have preferred not to go to school dances or dressier school functions, but I try to keep an outfit on hand in case they need it, and he does have to dress up a little for school band performances. He doesn't really have any kind of clothing preferences (yet), and is just as likely to look dressed up as he is to wear something completely wrinkled (but clean). This vest fits as expected. It is a bit large on him to the same degree that the other size 14 clothes he has are. He is pretty skinny, so while I think it would fit someone who is more average sized, I'm not sure how well it will do on huskier sizes. It has a nice buckle on the back as most men's vests like these have, so it can be adjusted in that sense. The navy color is a bit of a brighter shade than your average navy, but not outside of the normal range for navy. I like it. It’s hard to get the exact color in pictures. The fabric and construction both seem to be good quality. The fabric feels average compared to my husband's dress vests, better than the lower quality/cheaper ones and not quite as nice as the ones he spent more on. This boy's dress vest is currently being sold for approximately $20, which I think is great for a nice dress vest like this.
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C. Snyder
West Palm Beach, US
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"Navy Vest & Pocket Square Charm; Formal Polish for Perfect Pairing
Color: Navy Blue, Size: 8, Color: Navy Blue, Size: 8
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Reviewed in the United States on April 14, 2026
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sunflower
Houston, US
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Adorable boys vest! Dress up or down!
Color: Light Gray, Size: 5, Color: Light Gray, Size: 5
Super cute vest! Made of quality materials. The buttons on the front all work very well. My four year old can easily button and unbutton them himself. All 3 pockets in the front are functional cute little pockets. There are vertical line stitchings making this vest look just like dad's. The back is easily adjustable. I will stay I was nervous it was going to be too big for my almost 4 year old - I ordered the smallest size available, size 5 and it actually fits him perfectly. In fact, I could even have gotten him the size 6 and it would have fit so I recommend to size up. It's a breathable vest. The gray color goes with lots of other colors. It's an adorable vest. You can dress it up with a nice suit or dress down. It's adorable with a t shirt and jeans. The inside back is a nice silky material. This vest is very well made - its thick but breathable and a great value for the dollar. I highly recommend.
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Reviewed in the United States on March 6, 2026

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