E-Books FAQ





How to download eBooks from Periplus.com


  • Search for your favorite eBooks

  • Press the "Continue" button to proceed to the checkout page

  • Proceed with the necessary shopping procedure ( refer to [How to Shop] and [How to Ship and Pay] for more information )
  • After you finished your payment and confirmation, check inside your order details and you will see the download button below your eBook Title

  • Download the .ascm files and download the eBook with your favorite reader (depends on your device). Please make sure you have already installed Adobe Digital Editions and Authorizing your computer with an Adobe ID! The Ebook will not open with Adobe Reader or Adobe Acrobat. 

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Essentials to read eBooks from your devices


Recommended Reader : Adobe Digital Editions
Essentials : 1. Microsoft .NET Framework 3.5 Service pack 1
2. Authorized Adobe ID (  Click here to register  )

System requirements

  • Intel® Pentium® 4 processor or later
  • Windows® XP, Vista, or 7 (32 or 64 bit running in 32-bit mode)
  • 512MB of RAM (1GB recommended)
  • 40MB of available hard-disk space


Mac OS
  • Intel Core™ Duo or faster processor
  • Mac OS X v10.8 or later
  • 512MB of RAM (1GB recommended)
  • 75MB of available hard-disk space


Compatible with Apple Retina Display
  • Intel Core™ Duo or faster processor
  • Mac OS X v10.8 or later
  • Compatible with Apple Retina Display
  • 512MB of RAM (1GB recommended)
  • 75MB of available hard-disk space

Instalation Guide

  • Download Adobe Digital Editions from Adobe Website

  • Follow the necessary step ( as shown below ) to install ADE to your computer

  • Authorized your computer with your Adobe ID

  • Congratulations, now you can use your Adobe Digital Editions to download and read eBook from Periplus.com

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Recommended Reader : Bluefire Reader

Instalation Guide

Recommended Reader : Bluefire Reader

Why do I need to activate my computer with my Adobe ID?


Some digital publications that you purchase online or check out from a library may contain digital rights management (DRM) protection that restricts the items from being shared with others. Digital Editions helps ensure that your eBooks and other digital publications are not "locked" on one computer. They are assigned to you through an ID, and can be viewed on any compatible device you own that you activate with that ID.


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Can I transfer eBooks that I have already purchased or downloaded to another computer?


1. If you activate your computer with Digital Editions anonymously, all the purchased books afterwards belong to that computer.

2. If you activate your computer with Digital Editions with an ID, all the purchased books afterwards belong to that ID.

3. The books downloaded before activation will not be converted.

4. Books can be copied from one device to another device. If two devices are activated with the same ID, purchased books can be opened on the other device. If the other device is not activated or if it is activated with another ID, a pop up window will appear to ask for ID when opening the purchased books. 


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What format is the eBook available in?


Many of our ebooks are available in EPUB and PDF formats. EPUB ebooks will reflow according to the size of the screen they are being read on, while PDF ebooks retain the layout of the print edition and will not reflow to fit different screen sizes.


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Error Messages 

1.  E_ACT_NOT_READY or Error! Check Activation

The authorization has been damanaged. The best thing to do is to erase the authorization then authoize your computer anew.

1. Open Digital Editions, click on the Help tab then select Erase Authorization (Ctrl/Cmd+Shift+D) and follow the prompts.
2. Then Click on the Help tab then select Authorization Computer (Ctrl/Cmd+Shift+U) and follow the prompts.
*Sometimes this shows as E_AUTH_NOT_READY.



 Verify that your computer or device is authorized with your Adobe ID (not anyone else's ID).



This means your download has been licensed to another computer. This happens when the ebooks are opened on a computer either that is not authorized with the same Adobe ID as the initial computer.
1. If the initial computer was not authorized with an Adobe ID, return to that computer and authorize it with an Adobe ID.
2. Authorize the second computer or device with the same Adobe ID and password as the first.


There are two possible solutions for this notice.

1. This error message implies that the time, date or time zone on your computer doesn't match Adobe's time stamp. You can read more about it here.
2. You can solve this by clicking on the time/date in the lower corner of your desktop and following the prompts to change the time and date. You can also reach it through your Control Panel via Date and Time.




This message implies that there isn't enough bandwidth to download the files, kinda like congestion on the highway. Because of the size of the epubs, they take up more lanes and it's just not merging in.

If possible, you can take your laptop to your campus library or a cafe, or try again at a different hour. (In the evening, others may be streaming movies or videos, which take a up a lot of bandwidth.)


6. Adobe Reader cannot open ebook.

This messages often appears if you try to download the ebooks before installing Digital Editions.

If you haven't yet, install Adobe Digital Editions.
If you have downloaded Digital Editions and still receive this message, you can download the files manually.



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What if I ordered wrong Ebook or I accidently bought an Ebook?

1. If the download link button has already appeared on your Order Information page, you can not ask us to make a refund.

2. All purchased Ebooks cannot be refunded.

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