"Beyond the firmament lies the maelstrom of elemental planes, where the fabric of all things begins. The elemental planes: Where fires rage in an infinite expanse of heart and light, where the rich and loamy earth consumes all, where air grows heavy, grinding upon unseeing gears, where water flows forever to no end. It is here that the base of all power lies and it is here that the elemental lords must turn.
This artice concerns alchemists as NPC hires, Elemental Spells could be used as a mechanism for updating the NPC class into something a bit more modern & elemental in line with your C&C game. Thih really gives the NPC class some important bite. Another thing is that I don't think that Roger E. Moore get's half the credit he deserves in the OSR gamer's communities. Mr.Moore practically gatewayed between Advanced Dungeons & Dragons first edition & the second!
Mixing & matching the older AD&D first edition material with Castles & Crusades showcases one of the important highlights of C&C. The ability to mix & match as a dungeon master as you see fit. This lends far more strength to a campaign especially in the area of elemental magical power.
Elemental Spells gives the magic user or wizard in C&C a far more rounded & dangerous customization within the C&C game. This elemental occult power could be used from regiion to region within a campaign world setting. For example do you need an American Indian clerc capable of casting spells related to their elemental god?! With Elemental Spells the ball is in the DM & his or her player's court. This book isn't a must have for Castles & Crudes but its solid addition into the tool box of the C&C DM & or player