PURCHASING BOOKS/(OTHER ITEMS) FROM COROLLARY THEOREMS
1. THE PLACE TO BUY OUR BOOKS
Unless otherwise noted, you can purchase our books from our site only, using the instructions presented on this page. Note
that we sell both physical and digital books, though they are processed differently, as it is explained further.
2. PURCHASING PHYSICAL BOOKS
In order to buy a certain physical book from us, you need to write an email
to us
using one (or two) of the following email address [we cannot guarantee which is
the best email address since each has failed us at some point in time]:
Include in your email to us the following mandatory data.
A.The ordering code(s) of the book(s)
you want to buy. B.
The number of books you want to
buy. C.
Your physical mail/postal address—be accurate
and detailed
in your address, then check it carefully for mistakes. Also, please
include a local phone number (mobile, if possible), so that
delivery people may contact you.
We shall respond to your email within 24 hrs with our price-offer,
by means of an email from PayPal asking you to pay the Invoice amount. Note that our price-offer is
valid for 3 days only; therefore, any payment received after the
validity period
may be automatically sent back to your Credit Card.
Please let us know when you make your payment to us (send us an email),
so that we may start processing your order as soon as possible. All
shipments are "economical", via "Air Mail", and they do have a tracking number.
3. PURCHASING DOWNLOADABLE BOOKS/TUTORIALS/KITS
In order to buy a certain downloadable item/book from us, you need to write an email
to us
using one (or two) of the following email address [we cannot guarantee which is
the best email address since each has failed us at some point in time]:
Include in your email to us the following mandatory data.
A.the ordering
codes of the books/items you want
to buy.
We shall respond to your email within 24 hrs with our price-offer,
by means of an email from PayPal asking you to pay the required Invoice amount. Note that our price-offer is
valid for 3 days only; therefore, any payment received after the
validity period
may be automatically sent back to your Credit/Bank Card.
Please let us know when you make your payment to us, so that we may
start processing your order as soon as possible. Commonly, we send the
download instructions within the subsequent 24 hrs.
ATTENTION Downloadable books are commercialized as
"software". This means, once we send to you the download codes, refunding is no
longer possible. [This is similar to opening a CD package.]