This Resource Letter provides a guide to the literature on the effects of static (time-invariant) magnetic fields B on life, concentrating on how selected creatures sense/detect B. Journal articles, books, and previous and future electronically accessible media are cited for the following topics: history, the magnetic sensing/detection of B by creatures from bacteria to bugworms to butterflies to bees to birds to bats to bovines to beings (human), some of the mechanisms of effects at the developmental and cellular levels, experimental pitfalls, claimed healing effects of B, some medical uses of magnets, and cosmetics. The field presents a fascinating, evolving saga.

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