I read HFSJ(1.4) book. I felt the exam was tough compared to the mock exams available in the HFSJ(1.4) book and also on the net. Most of the questions are lengthy and tricky. It is a must to go through the spec and the APIs thoroughly to answer some of the questions. HFSJ(1.4) does not cover all the JSTL core tags and Deployment Descriptor elements that will be seen in the exam. There were more questions on Web App Deployment.