13 best supplements

In the realm of epic, fantasy, and science fiction fantasy books, supplements often refer to additional materials that expand upon the existing lore, world-building, or rules of a particular fictional universe. These supplements can come in various forms, such as companion books, encyclopedias, or even standalone novels. They are designed to provide fans with a deeper understanding of the universe created by the author and can include detailed maps, character profiles, histories, and explanations of the magic systems or technology within the story.

In epic fantasy series like J.R.R. Tolkien's Middle-earth legendarium, supplements might include books like "The Silmarillion," which delves into the history and mythology of the world. In the realm of science fiction fantasy, franchises like "Star Wars" have an extensive array of supplements, ranging from novels exploring side characters to detailed guides about different species and planets.

Role-playing games (RPGs) set in these fantasy or science fiction worlds often have supplements as well. These supplements provide game masters and players with additional rules, quests, and background information to enhance their gaming experience. For example, in the "Dungeons & Dragons" universe, supplements can include new character classes, magical items, and entire campaign settings, allowing players to explore different facets of the fantasy world.

Supplements are a way for fans to immerse themselves deeper into the fantastical worlds they love, offering a wealth of information beyond what is presented in the main books or movies.They are often cherished by enthusiasts who want to explore every intricacy of the fictional universes they adore.