diff --git a/src/cover/cover-hardcover-scala.tex b/src/cover/cover-hardcover-scala.tex
new file mode 100644
index 0000000..589c087
--- /dev/null
+++ b/src/cover/cover-hardcover-scala.tex
@@ -0,0 +1,112 @@
+\documentclass[
+    coverheight=9.249in,
+    coverwidth=6.319in, % (pagesize - spinewidth) / 2
+    spinewidth=1.125in,
+    bleedwidth=0.306in,
+    11pt,
+    marklength=0pt,
+  ]{bookcover}
+  
+  \usepackage{fancybox}
+  \usepackage{wrapfig}
+  \usepackage[many]{tcolorbox}
+  \usetikzlibrary{calc,positioning, shadings}
+  \usepackage[T1]{fontenc}
+  \usepackage{Alegreya} %% Option 'black' gives heavier bold face 
+  
+  \setmainfont{Alegreya Sans}[
+    UprightFeatures={SmallCapsFont=* SC},
+    ItalicFeatures={SmallCapsFont=* SC Italic},
+    BoldFeatures={SmallCapsFont=* SC Bold},
+    BoldItalicFeatures={SmallCapsFont=* SC Bold Italic},
+  ]
+
+  \newcommand{\olpath}{../}
+  \newcommand{\whitebg}[1]{%
+  \tikz\node[circle,draw,minimum size=1.1cm,
+  fill=white,
+  path picture={
+      \node at (path picture bounding box){
+          \includegraphics[width=1.1cm]{\olpath#1}
+      };
+  }]{};
+  }
+  \newcommand{\bartosz}{
+    \vspace{0pt}
+    \begin{tcolorbox}[beamer,
+      width=3.6cm,
+      arc=0pt,
+      boxsep=0pt,
+      left=0pt,right=0pt,top=0pt,bottom=0pt,
+      ] \includegraphics[width=3.6cm]{bartosz}
+    \end{tcolorbox}
+  }
+  \input{\olpath/version}
+  
+  \definecolor{BackgroundColor}{HTML}{f3f6ed}
+  \definecolor{SpineBackColor}{HTML}{262626}
+  
+  \begin{document}
+  
+  \begin{bookcover}
+    \bookcovercomponent{color}{bg whole}{color=BackgroundColor}
+    \bookcovercomponent{color}{spine}{color=SpineBackColor}
+    \bookcovercomponent{normal}{front}{
+    \input{ribbon}
+    \vspace{1.1cm}
+    \begin{center}
+      \fontsize{40pt}{5em}\selectfont\bfseries
+          CATEGORY THEORY \\FOR PROGRAMMERS
+      \vfil
+      \hspace*{-.8cm}\includegraphics[width=.5\coverwidth]{piggie}
+      \linebreak
+      \rule[1.5cm]{\textwidth/2}{.5pt}\\
+      \vspace{-1.5cm}
+      \normalfont\Huge\textbf{Bartosz Milewski}
+      \vfil
+      \vspace*{1cm}
+    \end{center}}
+    
+    \bookcovercomponent{center}{spine}{
+      \rotatebox[origin=c]{-90}{\color{orange}
+      \Huge\bfseries Category Theory for Programmers \hspace{2em} Bartosz Milewski}}
+
+    \bookcovercomponent{normal}{back}{%
+    \begin{minipage}[b][\coverheight][t]{\coverwidth}
+      \begin{center}
+        \vspace{1cm}
+        \includegraphics[width=.8\coverwidth]{bunnies}
+        \begin{minipage}[t]{.8\coverwidth}
+          \input{blurb}
+          \vspace{.5cm}
+        \end{minipage}
+        
+        \begin{minipage}{.85\textwidth}
+          \rule{\textwidth}{.5pt}
+
+          \begin{tabular}[h]{p{3.4cm} p{\textwidth}}
+            \bartosz
+            &
+            \vspace{5pt}
+            \begin{minipage}[b]{.58\coverwidth}
+              \fontsize{11pt}{1.4em}\selectfont\textit{Category Theory for Programmers}
+                is a series of blog posts by Bartosz Milewski, originally posted on bartoszmilewski.com.\\
+                Edited by Igal Tabachnik. Licenced under CC BY-SA 4.0.\\
+          \end{minipage}
+        \end{tabular}
+        \begin{flushright}
+          \vspace{-2.6cm}
+          \begin{minipage}[b]{4cm}
+          \raggedleft
+          \whitebg{fig/icons/by}
+          \whitebg{fig/icons/cc}
+          \whitebg{fig/icons/sa}
+          \centering\footnotesize{\texttt{\OPTversion}}
+          \end{minipage}
+        \end{flushright}
+      \end{minipage}
+    \end{center}
+  \end{minipage}
+  }
+  \end{bookcover}
+\end{document}
\ No newline at end of file
diff --git a/src/cover/cover-paperback-scala.tex b/src/cover/cover-paperback-scala.tex
index 9ee2513..dd7178e 100644
--- a/src/cover/cover-paperback-scala.tex
+++ b/src/cover/cover-paperback-scala.tex
@@ -1,7 +1,7 @@
 \documentclass[
     coverheight=9.25in,
     coverwidth=6.125in, % (pagesize - spinewidth) / 2
-    spinewidth=1.125in,
+    spinewidth=1.014in,
     bleedwidth=0in,
     11pt,
     marklength=0pt,
@@ -53,6 +53,7 @@
     \bookcovercomponent{color}{spine}{color=SpineBackColor}
     \bookcovercomponent{normal}{front}{
     \input{ribbon}
+    \vspace{1.1cm}
     \begin{center}
       \fontsize{40pt}{5em}\selectfont\bfseries
           CATEGORY THEORY \\FOR PROGRAMMERS