Karen's Wild Adventures

This book is about a young woman going on two wild adventures the first one to a mysterious island were she faces wired creatures that seem to be from another world. She explorers ancient ruins. Finds diamond, rubies,and gold. As she fight for her life. The second adventure takes her on a cruise that turns up going trunk a black hole like take her back into time. As she ends up on a pirate ship. Were she has to fight outer pirates and sea creatures for her life.