This is a ppt on osteoporosis for undergraduates and postgraduates to understand the concept. It is made easy with images and it is better to remember the topic

A complete guide to bone tumours for pathology. it is easy to understand and will also benefit the exams. It has short and descriptive topics with all the bone tumours with classification covered.

Malignant lymphoma classification with complete details on Hodgkins lymphoma. This is made easy for undergraduate pathology with numerous diagrams.