I just received the Fire HD8. I can't find my library of books for which I have already paid. Is there a home page?

Hello Friend An HDMI dongle allows you to wirelessly display content from your Fire tablet to your TV or media streaming device.Tap Display & Sounds, and then tap Display Mirroring. Tap the name of your TV or media streaming device. This initial connection may take up to 20 seconds.
For any help or support just visit us: www Kindle Com Support

A Google search netted this result:

To remove a book or magazine from your Kindle Fire HD libraries, follow these steps:

1. On the Home screen, tap Books or Newsstand to display your library.
2. Locate and press your finger on the item you want to remove. A menu appears.
3. Tap Remove from Device.

Hi Reta.
go to this link and see if it helps you out.
How to connect belkin Model F5L107 keyboard to Kindle Fire HD8 Google...

What does it say when you try to open them?

Per Amazon: If your book won't open, there may have been an error downloading the book.
To download the book again:

1. Connect to Wi-Fi.
2. From Home, tap My Library, and then tap the Downloaded tab.
3. Press and hold the title of the Kindle book, and then tap Delete This Book.
4. Tap the Menu icon, tap Settings, tap the Menu icon again, and then tap Restart.
5. After your Kindle restarts, tap the All tab, and then tap the title of the Kindle book to download it again.

Amazon has several suggestions other than the one I listed above. Here is a link to another suggestion:
https://www.amazon.com/gp/help/customer/display.html?nodeId=201460960

https://www.google.co.uk/webhp?sourceid=chrome-instant&rlz=1C1CHBD_en-GBGB719GB719&ion=1&espv=2&ie=UTF-8#q=Install+playstore+on+fire+hd8 ..try this link

It should when first set it up but if u just gone home screen go to setting my device or account and go to register it

Amazon Fire HD 10 Manuals
Amazon KINDLE 1ST GENERATION Manuals

To help you delete all the books from the archived list of Kindle fire device, please follow the steps given below:
- Launch a Web browser and go to Amazon.com's Manage Your Kindle Web page.
- Click on the 'Actions' button next to the item you want to clear from your Archived Items list.
- Click on the 'Delete from library' link.
- Click the 'Yes' button to confirm your decision to delete the selected item.
- Turn on your Kindle to sync it with your digital library and clear the deleted item from the Archived Items list.

GuruAid.com

To remove a book or magazine from your Kindle Fire HD libraries, follow these steps:

1. On the Home screen, tap Books or Newsstand to display your library.
2. Locate and press your finger on the item you want to remove. A menu appears.
3. Tap Remove from Device press the helpful button

How to delete books from Kindle Fire HD
How to Delete from Kindle Fire
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