However, I have seen this capability on the Kindle device itself – I own a Kindle keyboard model and there is a 'search my items' option available that will search all books on the device for a given term. If you wanted to know whether you can enter a search term at the top-level of these apps and have them search across all books stored in the app: No, currently neither iBooks nor the Kindle app have such a feature. It works much like the iBooks search feature. Any version of Kindle for Mac distributed on Uptodown is completely virus-free and free to download at no cost. Download rollbacks of Kindle for Mac for Mac. At the bottom a magnifying glass icon will become visible. It includes all the file versions available to download off Uptodown for that app. Similarly, while reading a book, tap the screen. After entering your search term in the box, iBooks presents a list of results from the current book, underneath the search box.
Clicking the magnifying glass icon brings up a search box. A magnifying glass icon becomes visible in the top right, along with other controls. Here's how to do that in each app: iBooks app
Yes, in both the iBooks and Kindle apps, you can search the full text (excluding text in images) of the book you are currently reading.