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diff --git a/src/Hakyll/Web/Page.hs b/src/Hakyll/Web/Page.hs
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+-- | A page is an important concept in Hakyll: it has a body (usually of the
+-- type 'String') and number of metadata fields. This type is used to represent
+-- pages on your website.
+--
+module Hakyll.Web.Page
+    ( Page (..)
+    , toMap
+    ) where
+
+import Data.Map (Map)
+import qualified Data.Map as M
+
+import Hakyll.Core.Writable
+
+-- | Type used to represent pages
+--
+data Page a = Page
+    { pageMetadata :: Map String String
+    , pageBody     :: a
+    }
+
+instance Functor Page where
+    fmap f (Page m b) = Page m (f b)
+
+instance Writable a => Writable (Page a) where
+    write p (Page _ b) = write p b
+
+-- | Convert a page to a map. The body will be placed in the @body@ key.
+--
+toMap :: Page String -> Map String String
+toMap (Page m b) = M.insert "body" b m