I was dissatisfied with the Permacharts Quick Reference Guides because I routinely utilize reference materials for both personal and professional purposes. Despite the manuals' promises that they are simple to use and comprehend, I found the information they provide to be generally useless and incomplete. I often felt irritated and unable to locate the solutions I needed since the material offered was either too simple or too complex. In addition, the structure and design of the instructions were frequently jumbled and perplexing, making it challenging for me to discover the information I needed fast. Overall, I would not advise anyone looking for truly helpful and educational reference resources to purchase Permacharts Quick Reference Guides. Although they might be appropriate for a few specialized use cases, most consumers would be poorly served by them due to the dearth of thorough and useful information.