Install watchtower on line library on my iPad

It's easy. There takes transferring music as an instance. Just follow the below steps.

Step 1 Start Leawo iTransfer

Connect old iPad to computer via USB cable. Start Leawo iTransfer on your computer. The software will automatically recognize your device and shows iPad library in the left sidebar.
Step 2 Select music to transfer

Click the name of iPhone and go to "LIBRARY > Music" in the left sidebar and select multiple songs in the right interface by holding "Ctrl". Right click them to choose "Transfer to > My Computer".
Step 3 Transfer music from iPad to computer

In the pop-up window, chose "Save to folder" and click on "Change" to select an output directory on your computer. After that, choose "Transfer Now" to transfer music from iPad to your computer.
Step 4 Transfer music from old iPad to new iPad

Disconnect iPad but connect new iPad to your computer. Go to "iPad > LIBRARY > Music" in the left sidebar. Choose "File > Add > Add File or Add Folder" in the top middle to upload music you just transferred from old iPad to your new iPad.

For more details, check: How to Transfer Music from iPad to iPad

There are different reasons for this issue. However, there is a great way to solve it. You can resort to this iPhone transfer software - Leawo iTransfer to sync iPad with your iPhone. Just follow below steps.

1. Run Leawo iTransfer after installing it on your PC, then connect iPhone and iPad to computer with the USB cables. The software will automatically detect the libraries of your iPhone and iPad, show the libraries of your iDevices in the left sidebar. Choose one library and the contents will be displayed in the right part of the window.
2. If you want to transfer all the files in the library from iPhone to iPad, you only need to click the transfer button at the right bottom of the window. If you only want to transfer certain files, you are able to hold "Ctrl" key and choose files, then right-click the selected files and choose "Transfer to > iPad".
3. After choosing files, you will see a pop-up dialog. Click "Transfer to List: iPad" in the dialog and then click "Transfer Now" at the right bottom of the dialog to start syncing iPhone to iPad. You will see "Save to Folder" option below "Transfer to List" option, you are allowed to transfer files from iPhone to computer by checking this option.
4. The software will start syncing iPhone to iPad after you click the "Transfer Now" button. The progress bar in the dialog will show the percentage of the process, and when the process is done, you will find the files in your iPad. You are able to check them in your iPad, or in the iPad library within the software.
For more details, check: How to Sync iPhone to iPad

If you have piles of books in your iPad, you may want to delete books from iPad to free up iPad storage space. The easiest way to do that is deleting books in iBooks app. You need to go to iBooks app, and tap Select at the upper right corner. Then select the books you don't need and tap Delete at the upper left corner.


If you have many ebooks to delete, deleting books in iBooks app may be a little complicated. So you can re-sync iPad with iTunes to delete books from iPad. This is also is easy to be done, and you only need to connect your iPad to computer with USB cable, and sync iTunes Books library with iPad. After that, you'l get the books from iTunes library to iPad.

Get more information here.
http://www.leawo.org/tutorial/how-to-delete-books-from-ipad.html

Be sure that you have the kindle app downloaded on your ipad. Then simply open the app and find your library at the top of your screen.

You can manage your books on your iPad with this iTransfer tool.
Just install it on your computer and plug your iDevice. The tool will scan and show all the media files stored in your iPad. Let's say, if you want to delete books, simply click Books from the LIBRARY menu. Transfer Files among iOS Devices iTunes and PCs with Ease

http://download.kobobooks.com/magento/userguides/downloads/KoboArc7/koboarc7_userguide_en.pdf
https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=ipad%20transfer%20files%20to%20android
Try this

Hey friend. What kind of files do you want to sync between iPhone and iPad? Let's say, if you're planning to sync music from iPhone to iPad, you can simply rely on iTunes.

Please note that if you have hundreds of thousands of songs in iTunes Music Library, you'd better create a separate playlist for the songs you want to transfer. Then you can choose the playlist when you sync music to iPad with iTunes. The following guidance will show you how to transfer songs from iPhone to iPad with iTunes.

1. Transfer Purchased songs from iPhone to iTunes Music Library.
Sync Music
2. Connect iPad to computer with USB cable.
3. Click the iPad icon and choose Music.
4. Check Sync Music, and choose the iPhone music playlist.
5. Click Sync at the right bottom.
3 Ways to Transfer Music from iPhone to iPad

You can add music to the iPad by directly downloading from the iTunes app or by importing your music into iTunes on a computer. Once your music is imported/downloaded into iTunes on a computer, you then just need to sync the music by connecting your iPad to a computer.

You can use iPad to PC Transfer, which can help you transfer from iPad to PC. iPad to PC Transfer is a professional sofeware, which can help you transfer Music, Movie, Photo, ePub, PDF, Audiobook, Podcast and TV Show from iPad to PC or iTunes library.