This letter makes a recommendation to a travel guide about something you found during your travels.
1234, Main Street
Boston, MA 02123
01 April, 2005
<Recipient Address Goes Here>
<travelers> recently returned from a trip to <destination>, and <I/We> found something that you simply must include in the next edition of <name>.
I hope this information will be of some use. If you would like more information on what <I/We> found, you can contact me at <phone number>. Thank you for your time.
encl: <List of enclosed items goes here>