After skimming some of the chapters, it looks pretty short so far.
My main criticism would be that so many of the problems are veridical paradoxes rather than intuitive applications. Even so, I thought it was worth pointing out because it is truly a beginners level introduction and is free.
Allen B. Downey has made a rough draft version of his new introduction to Bayesian statistics textbook available for free online. You can download the pdf version here or read the HTML here.