diff --git a/CHANGELOG.md b/CHANGELOG.md
index a267798..481a0eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ Squib follows [semantic versioning](http://semver.org).
 ## v0.6.0 / Unreleased
 
 Features:
-* Upgraded roo (Excel parsing) to 2.0.0. Nothing major for Squib users, just keeping up with the times.
+* Upgraded roo (Excel parsing) to 2.0.0. Nothing major for Squib users, just keeping up with the times. ()
 
 Bugs:
 * Fixed global text hinting (#63)
diff --git a/lib/squib/api/data.rb b/lib/squib/api/data.rb
index e0f1e5c..2ef0abd 100644
--- a/lib/squib/api/data.rb
+++ b/lib/squib/api/data.rb
@@ -24,15 +24,15 @@ module Squib
   def xlsx(opts = {})
     opts = Squib::SYSTEM_DEFAULTS.merge(opts)
     opts = Squib::InputHelpers.fileify(opts)
-    s = Roo::Excelx.new(opts[:file])
+    s    = Roo::Excelx.new(opts[:file])
     s.default_sheet = s.sheets[opts[:sheet]]
     data = {}
     s.first_column.upto(s.last_column) do |col|
       header = s.cell(s.first_row,col).to_s
       data[header] = []
-      (s.first_row+1).upto(s.last_row) do |row|
+      (s.first_row + 1).upto(s.last_row) do |row|
         cell = s.cell(row,col)
-        # Roo hack for avoiding unnecessary .0's on whole integers
+        # Roo hack for avoiding unnecessary .0's on whole integers (https://github.com/roo-rb/roo/issues/139)
         cell = s.excelx_value(row,col) if s.excelx_type(row,col) == [:numeric_or_formula, 'General']
         data[header] << cell
       end#row
diff --git a/spec/api/api_data_spec.rb b/spec/api/api_data_spec.rb
index b90bd44..2519956 100644
--- a/spec/api/api_data_spec.rb
+++ b/spec/api/api_data_spec.rb
@@ -28,4 +28,23 @@ describe Squib::Deck do
         })
     end
   end
+
+  context '#xlsx' do
+    it 'loads basic xlsx data' do
+      expect(Squib.xlsx(file: xlsx_file('basic.xlsx'))).to eq({
+          'Name'           => %w(Larry Curly Mo),
+          'General Number' => %w(1 2 3), #general types always get loaded as strings with no conversion
+          'Actual Number'  =>  [4.0, 5.0, 6.0], #numbers get auto-converted to integers
+          })
+    end
+
+    it 'loads xlsx with formulas' do
+      expect(Squib.xlsx(file: xlsx_file('formulas.xlsx'))).to eq({
+        'A'   => %w(1, 2),
+        'B'   => %w(3, 4),
+        'Sum' => %w(4, 6),
+        })
+    end
+
+  end
 end
\ No newline at end of file
diff --git a/spec/data/xlsx/basic.xlsx b/spec/data/xlsx/basic.xlsx
new file mode 100644
index 0000000..d37739f
Binary files /dev/null and b/spec/data/xlsx/basic.xlsx differ
diff --git a/spec/data/xlsx/formulas.xlsx b/spec/data/xlsx/formulas.xlsx
new file mode 100644
index 0000000..fadc137
Binary files /dev/null and b/spec/data/xlsx/formulas.xlsx differ
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index ad075b8..8f2296f 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -32,6 +32,10 @@ def csv_file(file)
   "#{File.expand_path(File.dirname(__FILE__))}/data/csv/#{file}"
 end
 
+def xlsx_file(file)
+  "#{File.expand_path(File.dirname(__FILE__))}/data/xlsx/#{file}"
+end
+
 def overwrite_sample(sample_name, log)
   # Use this to overwrite the regression with current state
   File.open(sample_regression_file(sample_name), 'w+:UTF-8') do |f|
diff --git a/squib.sublime-project b/squib.sublime-project
index c6b3d03..e4926f2 100644
--- a/squib.sublime-project
+++ b/squib.sublime-project
@@ -43,6 +43,11 @@
 			"shell_cmd":   "rspec spec/graphics/graphics_text_spec.rb",
 			"working_dir": "${project_path:${folder}}"
 		},
+		{
+			"name":        "rspec spec/api/api_data_spec.rb",
+			"shell_cmd":   "rspec spec/api/api_data_spec.rb",
+			"working_dir": "${project_path:${folder}}"
+		},
 
 	],