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diff --git a/src/Text/Pandoc/Lua/Marshaling/SimpleTable.hs b/src/Text/Pandoc/Lua/Marshaling/SimpleTable.hs
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+{- |
+   Module      : Text.Pandoc.Lua.Marshaling.SimpleTable
+   Copyright   : © 2020 Albert Krewinkel
+   License     : GNU GPL, version 2 or above
+
+   Maintainer  : Albert Krewinkel <tarleb+pandoc@moltkeplatz.de>
+   Stability   : alpha
+
+Definition and marshaling of the 'SimpleTable' data type used as a
+convenience type when dealing with tables.
+-}
+module Text.Pandoc.Lua.Marshaling.SimpleTable
+  ( SimpleTable (..)
+  , peekSimpleTable
+  , pushSimpleTable
+  )
+  where
+
+import Foreign.Lua (Lua, Peekable, Pushable, StackIndex)
+import Text.Pandoc.Definition
+import Text.Pandoc.Lua.Util (defineHowTo, pushViaConstructor, rawField)
+import Text.Pandoc.Lua.Marshaling.AST ()
+
+import qualified Foreign.Lua as Lua
+
+-- | A simple (legacy-style) table.
+data SimpleTable = SimpleTable
+  { simpleTableCaption :: [Inline]
+  , simpleTableAlignments :: [Alignment]
+  , simpleTableColumnWidths :: [Double]
+  , simpleTableHeader :: [[Block]]
+  , simpleTableBody :: [[[Block]]]
+  }
+
+instance Pushable SimpleTable where
+  push = pushSimpleTable
+
+instance Peekable SimpleTable where
+  peek = peekSimpleTable
+
+-- | Push a simple table to the stack by calling the
+-- @pandoc.SimpleTable@ constructor.
+pushSimpleTable :: SimpleTable -> Lua ()
+pushSimpleTable tbl = pushViaConstructor "SimpleTable"
+  (simpleTableCaption tbl)
+  (simpleTableAlignments tbl)
+  (simpleTableColumnWidths tbl)
+  (simpleTableHeader tbl)
+  (simpleTableBody tbl)
+
+-- | Retrieve a simple table from the stack.
+peekSimpleTable :: StackIndex -> Lua SimpleTable
+peekSimpleTable idx = defineHowTo "get SimpleTable" $
+  SimpleTable
+    <$> rawField idx "caption"
+    <*> rawField idx "aligns"
+    <*> rawField idx "widths"
+    <*> rawField idx "headers"
+    <*> rawField idx "rows"