diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0ab39e1..161c973 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -10,7 +10,6 @@ add_subdirectory(utils)
 configure_file(config.h.in config.h)
 
 target_link_libraries(kraken PRIVATE
-  book
   csv
   engine
   parse
diff --git a/src/kraken.cc b/src/kraken.cc
index 5eb9e4a..f57eea4 100644
--- a/src/kraken.cc
+++ b/src/kraken.cc
@@ -1,5 +1,18 @@
 #include <iostream>
 
+#include "csv/write-csv.hh"
+#include "engine/csv-engine-listener.hh"
+#include "engine/engine.hh"
+#include "parse/parse.hh"
+
 int main() {
-    std::cout << "Hello World!\n";
+    auto const orders = kraken::parse::parse_orders(std::cin);
+
+    auto listener = std::make_shared<kraken::engine::CsvEngineListener>();
+
+    auto engine = kraken::engine::Engine(listener);
+
+    engine.process_orders(orders);
+
+    kraken::csv::write_csv(std::cout, listener->output());
 }