How to write a great query letter.

It's easy to get lost in the world of publishing. Everyone needs help occasionally. A literary agent has decided to make his and writer's lives a bit easier by offering a free download of his query letter tips. For the agent, it relieves them of the trouble of sorting through pointless and confusing query letters. For the writer, it gives great ideas and tips for writing a query letter that just might get noticed. Go ahead and have a look. Then, write your query with the agent in mind.
From the free download site: New York literary agent Noah Lukeman, President of Lukeman Literary Management Ltd, has represented multiple bestsellers, winners of the Pulitzer Prize and American Book Award, National Book Award Finalists, and has written three critically-acclaimed books on the craft of writing New York Times The First Five Pages, The Plot Thickens, and A Dash of Style). During his last 13 years as a literary agent he has read thousands of query letters and now, for the first time, he offers his insights on the query letter, sharing an insider's perspective, giving insights and practical tips about what works and what doesn’t.
HOW TO WRITE A GREAT QUERY LETTER:INSIDER TIPS AND TECHNIQUES FOR SUCCESS is a must-read for any writer serious about being published.Designed for writers of fiction and non-fiction, for screenwriters and poets, it speaks to a broad range of authors, offering principles that will help lead to success no matter what your craft.Practical, engaging, filled with exercises, anecdotes and sidebars, this 80 page e-book takes you on a journey, will transform your query letter from a document that could be rejected to a document that will make agents take you seriously.