Final Fantasy III / Final Fantasy VI is, hands down, my favorite Final Fantasy title. And this right here just might be my favorite strategy guide of all time. Presented in full colour, flush with screenshots, along with copious artwork by artist Yoshitaka Amano, and a section at the end featuring some gorgeous full-size in-game maps, Olafson's guide is written more like a story as opposed to a walkthrough.
At $12.95, this was an absolute showstopper of a book. It may be less complete overall than Nintendo's own game guide, as it doesn't contain things like monster stats, weapon and item lists, Gau's Rage tables, or other in-depth information one might expect to see in an RPG guide. But the sheer quality of Olafson's prose guides the reader through the story so well it feels like playing the game. It's one of the few guides I've read from cover to cover multiple times. It's just that good.
This book is generally very expensive on the second-hand market. Copies on eBay routinely sell for $50 or more, and copies in excellent condition can fetch upwards of $100. For Final Fantasy III fans, it's a highly-sought collector's item. If you've ever looked at a listing and wondered why, I hope a flip through this book explains everything. If every guide followed Olafson's example, strategy guides would be regarded as works of art instead of simple cash grabs.