diff --git a/env/reader.hpp b/env/reader.hpp
index 3a69c4d..175e846 100644
--- a/env/reader.hpp
+++ b/env/reader.hpp
@@ -25,6 +25,13 @@ public:
     s.resize(size);
     Read(&s[0], size);
   }
+
+  void Read(bool & b)
+  {
+    int8_t i;
+    Read(i);
+    b = (i != 0 ? true : false);
+  }
 };
 
 
diff --git a/env/writer.hpp b/env/writer.hpp
index 58dc25e..41c7bf9 100644
--- a/env/writer.hpp
+++ b/env/writer.hpp
@@ -23,6 +23,11 @@ public:
     Write(static_cast<uint32_t>(count));
     Write(s.c_str(), count);
   }
+
+  void Write(bool b)
+  {
+    Write(static_cast<int8_t>(b ? 1 : 0));
+  }
 };