I love to read the Psalms. When I write a devotional book, I end each day's readings with four or five verses from Psalms, because they prompt me to pray and praise and meditate on God's word. My Sacred Signposts book included a schedule to read through the book of Psalms in 60 Days. The schedule link is a free download. You can print it on a file card and use it as a bookmark. Here is a not-as-clear-as-I'd-like-it-to-be copy of the page in Sacred Signposts.
Amy at Mom's Toolbox is hosting a 60 day tour through the Psalms, using this schedule.