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Guides

Reference charts we could not find anywhere else, so we made them. Free, and better than the version we would have paid for.

Wader size guide
How big are waders, really, compared with each other?
46 pages
Garden bird size guide
How big are garden birds, really, compared with each other?
56 pages
Element density guide
Which elements are heaviest for their size?
107 pages
Gemstone hardness and weight guide
How hard and how heavy is each gemstone?
24 pages