You'll see our old buddy the Windows file select dialogue appear. Another method of updating a book is to bring in new games from a database. The file select dialogue appears. The games will now be imported into the opening tree and the statistics will be updated. Another method is to bring in selected games from a particular database.
Windows file select dialogue.
You can update a tree with new games using ChessBase 8 as well. To import all the games from a database into a tree, just drag and drop the database's icon over to the opening tree icon in the Database window. Highlight the games you want to import into the tree and then right-click on any of the highlighted games. You'll get a box asking for confirmation that you want to import the games to the tree. It's also important to know that opening trees are huge , much larger than game databases in fact.