Here is the first "code" that was solved by someone on the forum. This is to give you an example of how the author is using the playing card suits at the end of some chapters.

The book is split into 4 parts. Part 1-3 have playing card suits in seemingly random order at the end of some chapters but not all. Part 4 has no suits.

These are the suits for Part 2.

D = diamond
S = spade
H = heart
C = club

DSHSCSSHD
DSHSCHSSCSD
DSSHHHD
DSHSCHHD
DHSSSCSHSSD
DSSHHSSD

ok so what is the first thing you notice? There is a diamond at the start and end of each line so we take those out and are left with this...

SHSCSSH
SHSCHSSCS
SSHHH
SHSCHH
HSSSCSHSS
SSHHSS


Whats the next thing you notice? There are never 2 clubs together so we take those to be spacers and we take them out leaving a space.
I put in a dash where the clubs were.

SHS-SSH
SHS-HSS-S
SSHHH
SHS-HH
HSSS-SHSS
SSHHSS

Now if we apply morse code to these suits using DASH for SPADE and DOT for HEART we get this message.

RU
RDE
2
RM
BL

Spelled horizontally = RURDE2RMBL.

It looks alot like R U RDE 2 RMBL = are you ready to rumble?

After a long time of speculation on the forum the author finally admitted that the morse code is correct and this is a intro to the puzzle. Kind of like the saying "Let's get ready to rumble" before boxing matches.

So Part 2 is done now we are left with Part 1 and 3 which are trickier.

Mike