A Letter of Inquiry can help you uncover the hidden job market. Sometimes these cover letters are called marketing letters.

A letter of inquiry should be followed up with a phone call as this will increase your chance of getting your "foot in the door". Hopefully such a phone call can lead to a meeting or interview.

Good Letters of inquiry

• Inform the reader why you are writing within the first sentence.
• Read the how to write a cover letter guide, most of the tips are the same for letters of inquiry.
• Have a look at job application cover letter article, it offers a lot of insightful tips on writing job related correspondence.
• Highlight creative ideas to generate interest.

In all cases make sure you follow the Guide on writing Job related Correspondence which gives a lot of specific tips on writing different types of Cover Letters.