Let me preface this review by saying that I have loved all of David Ridges' other study guides. Granted, his books are always filled with typos, but I overlook them because the content is so great. However, this particular volume feels like his publisher only allowed him 375 pages, and after a thorough treatment of the remaining four books of Moses, he ran desperately out of space. He skips so much of the Old Testament (including passages covered in depth by the Gospel Doctrine Teacher's Manual) and then summarizes other parts so briefly as to be appalling. For example, Ezra, Nehamiah, Esther, Job, Psalms, and Proverbs are all covered on pages 373-375. Esther is disposed of this way: "The beautiful story of the courage and faith of Esther fits chronologically with Ezra 7:1." That's it. That's the full commentary for Esther. :(