BOOK ORDERS
In an effort to ensure maximum compatibility with older eBook reading devices, the electronic or digital version of this book, The Age of Homo Sapiens Sapiens: Heaven or Hell, was published in accordance with the more prevalent EPUB 2 standard. The text-to-speech (TTS), read aloud functionality has been incorporated into 2025's third edition electronic or digital versions of the book. To take advantage of this book's read aloud feature, you would need to use an eBook reading application capable of handling audio playback files that have been saved to the EPUB 2 format. For instance, both the Thorium Reader and the calibre eBook readers, when installed on a desktop or laptop computer, are capable of reading aloud EPUB 2 eBooks. The software for both the Thorium and the calibre readers contains an internally built text-to-speech (TTS), read aloud engine. Their text-to-speech menu option is capable of allowing eBooks to be read aloud without the use of author-provided, augmented audio files. When using an eBook reading application such calibre, even eBook applications built for the Kindle device can be read aloud (such as the kpf and mobi eBooks) on any desktop or laptop computer.
For the reader's convenience, the electronic or digital version of the book (The Age of Homo Sapiens Sapiens: Heaven or Hell) comes in six different formats (see below). The first three of the six formats are as follows:
- epub (by which the eBook can be read aloud on eBook reading devices that support audio and also can be read aloud on desktop and laptops computers running Windows, macOS, Linux, or Android in conjunction with an eReader software application such as Thorium)
- pdf (by which the eBook can be read aloud on all popular devices (desktop, laptops, netbooks, tablets, epads, smartphones, etc.) running on the Windows, macOS, Linux, or Android operating systems in conjunction with the Adobe Acrobat or the Acrobat Reader software application.
- kpf or mobi (by which the eBook can be read aloud using the Kindle eReader hardware devices or separately on desktop and laptop computers using the calibre Reader software application)
The final three of the six formats have been enabled to read the book aloud. The final three of the six formats are the following flipping book versions:
- exe file format (for Windows desktop and laptop computers)
- app file format (for Apple Macintosh, Intel-ready desktop and laptop computers)
- apk file format (for Android, Intel-ready laptop and tablet computers)
Note: After ordering one of the flipping book versions of the book, simply double click on the downloaded file to extract or unzip the eBook to your computer's hard drive. Linux users might require software such as Thorium or calibre to read the epub version of the book rather than one of the exe, app, or apk flipping book versions. A paperback version of the book is also available.
As a technical aside, the chief difference between the popular EPUB 2 standard and the current EPUB 3 standard for eBooks is that EPUB 2 publications adhere to or comply with the older XHTML web specifications. EPUB 3 publications adhere to or comply with the newer HTML5 web specifications. The HTML5 web specifications contain enhanced capabilities for presenting information.
ALL BOOK VERSIONS
Available Products | Available File Formats | Can Read Aloud? | Payment Options |
---|---|---|---|
Paperback | Printed book | No |
|
epub format eBook | Digital eBook | Yes | |
Kindle format eBook | Digital eBook | No | |
pdf format (Windows Desktop/Laptop) | Digital eBook | Yes | |
exe format (Windows Desktop/Laptop) | Digital eBook | Yes | |
app format (Apple macOS Intel Desktop/Laptop) | Digital eBook | Yes | |
apk format (Android Intel Laptop/Tablet) | Digital eBook | Yes |
EBOOK READING TIPS FOR THE EPUB, KINDLE, AND PDF DIGITAL OR ELECTRONIC VERSIONS OF THE BOOK:
eReader Software | Price | Download Link to Get the eReader Software | File Format | Operating System Best Suited for Viewing the eBook on the Computer or Phone |
---|---|---|---|---|
Thorium Reader | Free | Thorium Reader for Desktop and Laptop Reading | for EPUB files (Full support for TTS read aloud in EPUB 2) | Windows 10 and 11 (and later), macOS Big Sur (and later) and Linux (Ubuntu 18.04 and later, Fedora 32 and later, Debian 10 and later) |
Amazon's Kindle Reading Apps | Free |
Kindle Reading Apps for Desktop, Laptop, Mobile, and Cloud Reading) calibre Reader | for Kindle mobi (AZW), KF8 (AZW3), and KPF files | Cloud, Android phone or tablet; iOS iPad; iOS iPhone; macOS; Windows 8 (and later) for PC/tablet; or Web. |
Adobe's Acrobat Reader | Free | Acrobat Reader for Desktop and Laptop Reading Acrobat Reader for Mobile Reading | for PDF files (Full support for TTS read aloud functionality) | Microsoft Windows XP (and later); Mac OS X; Linux; Solaris; iPhone; Android |
Aldiko Book Reader | Free | Aldiko for Mobile Reading | for EPUB and PDF files | Android and iPhone |
Bluefire Reader | Free | Bluefire for Mobile Reading | for EPUB and PDF files | iPhone; Android; and Windows |
Adobe's Adobe Digital Editions | Free | ADE for Desktop, Laptop, and Mobile Reading | for EPUB and PDF files | Microsoft Windows XP (and later); macOS X; iPhone; Android |
SEVERAL WAYS TO ORDER THE BOOK (CLICK ONE OF THE ICONS BELOW TO ORDER).
Currently, there are several ways to order the digital or electronic version of the book. Click one of the icons below to go to the order page, or click the "ADD TO CART" button to order the book directly from this website.
Your payment is secure. If ordering the book directly from this website, you will be redirected to a secure page to complete the order.

Available Products | Available File Formats | Payment Options |
---|---|---|
eBook | epub (for eReaders and smartphones) |
|
kpf (for Kindle) |
||
pdf (for Acrobat Reader) |
||
mobi (for older Kindles) |
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Flipbook | exe (for Windows) |
|
app (for macOS Intel) |
||
apk (for Android Intel) |
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Spreadsheet | xls (for Microsoft Excel) |
|
Offline Website | pdf (for Adobe Acrobat Reader) |

Available Products | Available File Formats | Payment Options |
---|---|---|
eBook | epub |
|
There are a couple of ways to order the printed paperback version of the book. Either click the "Buy Now" icon below or click the Amazon.com icon. The Kindle (kpf) and epub versions of the book can also be ordered from Amazon.com

Available Products | Available File Formats | Payment Options |
---|---|---|
Paperback | Printed book |
|
kpf | Digital book |
You do not need to own or have access to a dedicated eReader hardware device or smartphone to read the electronic version of the book. Depending on the file format you select (that is, EPUB, PDF, KPF, or MOBI), you can download one of the free software application for eBook reading in the table below and read the electronic version on your desktop, laptop, netbook, tablet, or ePad computer. To read the PDF version of the book on your desktop, laptop, netbook, tablet, or ePad computer, you would need to install the Acrobat Reader (or a similar software application). Use the Acrobat Reader to open the PDF version of the book.
Also, please be advised that, for the PDF file format, popular web browsers such as Microsoft Edge, Firefox, Safari, Chrome, Opera, and SeaMonkey often are configured to display PDF files. Assuming your web browser reveals its menus, to view the PDF version of the eBook inside your web browser, simply do the following:
- Go to the browser's File menu.
- Select the File ~ Open option (or the keyboard shortcut Ctrl + O).
- Navigate to the location where the book is stored on your hardware.
- Select the All Files type.
- Click the book's PDF file to select it.
- Click Open.
The eBook for The Age of Homo Sapiens Sapiens: Heaven or Hell contains supporting hyperlinks with visual and multimedia cues plus a newly added read aloud feature. As a result, the preferred reading experience would be a digitized one as compared to a printed paperback reading experience.
If you purchased the EXE flipping book version of the book, then your Windows computer must have Windows version XP, Vista, 7, 8, 10, or 11 (and later) installed on it. If you purchased the APP flipping book version of the book, then your Apple computer must have macOS X Intel version 10.6.8 (Snow Leopard), 11, 12, 13, 14, or 15 (and later) installed on it. If you purchased the APK flipping book version of the book, then your Android laptop or tablet must have Android Intel versions 5.0 (Lollipop), 6, 7, 8, 9, 10, 11, 12, 13, 14, or 15 (and later) installed on it. Again, after ordering one of the flipping book versions of the book, simply double click on the downloaded file to extract or unzip the eBook to your computer's hard drive.
If you purchased the Excel file with the formulas, then your hardware device must be capable of displaying Microsoft Excel files. If your hardware device does not display Microsoft Excel files, then consider trying one of these options:
- Sign up for the Microsoft 365 Copilot app.
- Sign up for the free Google docs spreadsheets cloud service
THE MOTHER OF ALL BOOKS
On some future date, the book The Age of Homo Sapiens Sapiens: Heaven or Hell might be hailed as being the mother of all books. It is a book that was written for the billions (of humans).


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