Please consider the following Bible study tools for any of your questions:
Bible Study Tools:
adventist.org - You will find a variety of Bible Studies on any topic you might be interested in.
Bibleuniverse.com - From Bible Prophecy Seminars to Daily Devotionals, this website is rich in all the information you need
Sabbathtruth.com - What Day is the Sabbath Day? Does is matter what day do i worship? Was the Sabbath abolished on the cross? Take a look at this website to find out the answer to these questions and many more.
Truthaboutdeath.com - Is there life after death? Can we communicate with the dead? What is a soul? Check out this website to find out the answer.