You should checkout the Book helper module.
The Book helper module enables additional features from Drupal's menu system to improve the ordering of a book's pages. This module also allows administrators to further customize a book's navigation block.
Features
- Enhances the book outline manager
- Adds 'enable' checkbox (aka hidden) to the manage book outline page
- Adds an 'Order' tab (node/%/order) to a book's main page
- Adds 'administer own book outlines' permission for ordering books from a book's main page
- Removes the 'Outline' tab from all nodes
- Removes the book fieldset from node edit pages if the content type does not allowed book outlines
- Removes 'add child page' and 'printer-friendly version'
- Removes book navigation
- Customizes visibility of a book's navigation elements
- Automatically 'Create new book' for selected content types
- Includes 'Book (inline) navigation' block that can be easily positioned after a node's content
- Disables new revisions from being created when a book's node title is updated
- Displays a warning when deleting a book page (node/%/delete) that has child pages
