Your users deserve a type expert, this list of free typography resources for UX Designers may help you.
Typography is entwined in our everyday lives and there is no avoiding its omnipresent power, it plays a vital role in user experience design, can be used to define a brand and helps to deliver information. A firm understanding of typography is necessary for any designer. Knowing how to confidently and appropriately use typography can not only make you a better UX designer but ensure your website usability too. If your users have a hard time reading the content, what joy will they have experiencing ?
Typography impacts UX design affecting visual hierarchy, changing perception, improving conversions, making better first impressions.
You can find a lot of useful links in this article by Justinmind.