Here:
1. Pick up all 7 books and click into inventory
2. Put the books in the following empty spots in the bookcase:
* "The powers of winds" - Natural forces
* "Red Hot Tips from time in a volcano"- Travel
* "Water, the mysterious friend" - Water
* "Nostrapakus" Past, present and
future* "Plants, Flowers and Humans"- Plant
* "Studies of Rocks Unaffected by water" Geology
* "Dreams and their darker interpretations" Brain and Imagination
3. Click on the globe that is on top of the first bookshelf, once it's in inventory
click on the middle shelf of the second bookcase.
4. Drawer will open, take the crystal that comes out.
5. Once all the books have been put into place, a black book will
appear on the first bookcase titled "magic" section, click on that
6. Place that book on the middle of the floor
7. Click the book to open it
8. Place the crystal inside of the book to charge it.
9. Take charged crystal out of the book and place it on the crystal ball to open the secret passage
Good luck!
Taken from:
http://www.gamezebo.com/games/dream-chronicles/tips-tricks/dream-chronicles-tips-amp-tricks-quinnshusband