The Question and Answer section for Journey to the Center of the Earth is a great resource to ask questions, find answers, and discuss the novel.
Axel decoded the parchment.
I had discovered the secret!
It came upon me like a flash of lightning. I had got the clue. All you had to do to understand the document was to read it backwards. All the ingenious ideas of the Professor were realized;...
I recall they had an boat of some kind, matches, shovels, picks, camping equipment...