Let's start with the following list:

• Course information sheet
• Final Exam and Solutions to Final Exam

• List of homework assignments Solutions
  Hints on Sections 9.1, 9.2, 12.1 and 13.1

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• Mind Reading by Number Theory!
• Biorhythms

• Companion site to Rosen's textbook
  Many interesting web sites keyed to each chapter.
• Errata to Rosen's textbook, 4th edition

• Errata to Rosen's textbook, 5th edition

• Some selected resources for number theory

• Many eclectic links about number theory and related subjects
• An old essay I wrote about number theory

• A brief description of some books about number theory