Simplecryptoguide.com has created an introductory guide to IoTeX (IOTX) here: https://simplecryptoguide.com/how-to-buy-iotex/
The guide will take you through the process of buying, selling, moving, and storing your crypto. In addition to providing an overview of the project itself. 


https://simplecryptoguide.com/ aims to provide an objective introductory guide for people who are new to the cryptocurrency space, providing a step-by step introduction through the basics.