diff --git a/Modules/hare.lua b/Modules/hare.lua
new file mode 100644
index 0000000..2c5eaa5
--- /dev/null
+++ b/Modules/hare.lua
@@ -0,0 +1,35 @@
+--[[Function Module program by Al Sweigart
+Provides useful utility functions.]]
+
+-- selectItem() selects the inventory
+-- slot with the named item, returns
+-- true if found and false if not
+function selectItem(name)
+-- check all inventory slots
+ local item
+  for slot = 1, 16 do
+    item = turtle.getItemDetail(slot)
+    if item ~= nil and item['name'] == name then
+      turtle.select(slot)
+      return true
+    end
+  end
+
+  return false  -- couldn't find item
+end
+
+
+-- selectEmptySlot() selects inventory
+-- slot that is empty, returns true if
+-- found, false if no empty spaces
+function selectEmptySlot()
+
+  -- loop through all slots
+  for slot = 1, 16 do  
+    if turtle.getItemCount(slot) == 0 then
+      turtle.select(slot)
+      return true
+    end
+  end
+  return false -- couldn't find empty space
+end
diff --git a/Stone_Factory/brickcrafter.lua b/Stone_Factory/brickcrafter.lua
new file mode 100644
index 0000000..3d3a2a1
--- /dev/null
+++ b/Stone_Factory/brickcrafter.lua
@@ -0,0 +1,49 @@
+--[[Stone Brick Factory program by Al Sweigart
+Gets stone from furnace to craft stone bricks, turtle 2 of 2]]
+
+print('Starting stone brick crafting program')
+
+local NUM_FURNACES = 5
+local brickCount = 0
+while true do
+    -- check turtle's fuel
+    if turtle.getFuelLevel() < (2 * NUM_FURNACES) then
+        error('Turtle needs more fuel!')
+    end
+
+    turtle.select(1) -- put stone in slot 1
+
+    -- start collecting stone from furnaces
+    for i = 1, NUM_FURNACES do
+        turtle.suckUp(64 - turtle.getItemCount(1)) -- get stone from furnace
+        if turtle.getItemCount(1) == 64 then
+            break -- stop once there are 64 stone blocks
+        end
+        if i ~= NUM_FURNACES then
+            turtle.back() -- move to next furnace
+        end
+    end
+
+    -- craft stone bricks
+    if turtle.getItemCount(1) == 64 then
+        turtle.transferTo(2, 16) -- put in slot 2
+        turtle.transferTo(5, 16) -- put in slot 5
+        turtle.transferTo(6, 16) -- put in slot 6
+        turtle.select(16) -- stone brick to go in slot 16
+        turtle.craft() -- craft stone bricks
+        brick.Count = brickCount + 64
+        print('Total stone bricks: ' .. brickCount)
+    else
+        print('Not enough stones yet. Sleeping...')
+        os.sleep(120) -- wait for 2 minutes
+    end
+
+    -- move back to chest (by first furnace)
+    for i = 1, NUM_FURNACES - 1 do
+        turtle.forward()
+    end
+    turtle.turnLeft() -- face chest
+    turtle.select(16) -- select stone bricks
+    turtle.drop() -- put stone bricks into chest
+    turtle.turnRight() -- face generator again
+end
diff --git a/Stone_Factory/cobminer.lua b/Stone_Factory/cobminer.lua
new file mode 100644
index 0000000..f578c39
--- /dev/null
+++ b/Stone_Factory/cobminer.lua
@@ -0,0 +1,46 @@
+--[[Stone Brick Factory program by Al Sweigart
+Mines cobblestone from a generator, trutle 1 of 2]]
+
+os.loadAPI('hare') -- load the hare module
+local numToDrop
+local NUM_FURNACES = 5
+
+print('Starting mining program...')
+while true do
+    -- mine cobblestone
+    if turtle.detect() then
+        print('Cobblestone detected. Mining...')
+        turtle.dig() -- Mine cobblestone
+    else
+        print('No cobblestone detected. Sleeping...')
+        os.sleep(0.5) -- half-second pause
+    end
+
+    -- check for a full stack of cobblestone
+    hare.selectItem('minecraft:cobblestone')
+    if turtle.getItemCount() == 64 then
+        -- check turtle's fuel
+        if turtle.getFuelLevel() < (2 * NUM_FURNACES) then
+            error('Turtle needs more fuel!')
+        end
+
+        -- put cobblestone in furnaces
+        print('Dropping off cobblestone...')
+        for furnacesToFill = NUM_FURNACES, 1, -1 do
+            turtle.back() -- move over furnace
+            numToDrop = math.floor(turtle.getItemCount() / furnacesToFill)
+            turtle.dropDown(numToDrop) -- put cobblestone in furnace
+        end
+
+        -- move back to cobblestone generator
+        for moves = 1, NUM_FURNACES do
+            turtle.forward()
+        end
+
+        if turtle.getItemCount() > 0 then
+            print('All furnaces full. Sleeping...')
+            os.sleep(300) -- wait for five minutes
+        end
+    end
+end
+
diff --git a/Tree_Farm/farmtree.lua b/Tree_Farm/farmtree.lua
new file mode 100644
index 0000000..fe9d071
--- /dev/null
+++ b/Tree_Farm/farmtree.lua
@@ -0,0 +1,57 @@
+--[[Tree Farming program by Al Sweigart
+Plants tree then cuts it down.]]
+
+os.loadAPI('hare')  -- load the hare module
+
+local blockExists, item
+local logCount = 0
+
+-- check if choptree program exists
+if not fs.exists('choptree.lua') then
+  error('You must install choptree program first.')
+end
+
+while true do
+  -- check inventory for saplings
+  if not hare.selectItem('minecraft:spruce_sapling') then
+    error('Out of spruce saplings.')
+  end
+
+  print('Planting...')
+  turtle.place()  -- plant sapling
+
+  -- loop until a tree has grown
+  while true do
+    blockExists, item = turtle.inspect()
+    if blockExists and item['name'] == 'minecraft:spruce_sapling' then
+      -- "dye" is the name ID for bone meal
+      if not hare.selectItem('minecraft:dye') then
+        error('Out of bone meal.')
+      end
+
+      print('Using bone meal...')
+      turtle.place()  -- use bone meal  
+    else
+      break  -- tree has grown
+    end
+  end
+
+  hare.selectEmptySlot()
+  shell.run('choptree')  -- run choptree
+
+  -- move to and face chest
+  turtle.back()
+  turtle.turnLeft()
+  turtle.turnLeft()
+
+  -- put logs into chest
+  while hare.selectItem('minecraft:log') do
+    logCount = logCount + turtle.getItemCount()
+    print('Total logs: ' .. logCount)
+    turtle.drop()
+  end
+
+  -- face planting spot
+  turtle.turnLeft()
+  turtle.turnLeft()
+end