diff --git a/getTheTitles/getTheTitles.spec.js b/getTheTitles/getTheTitles.spec.js
index 3bef46c..68a9f18 100644
--- a/getTheTitles/getTheTitles.spec.js
+++ b/getTheTitles/getTheTitles.spec.js
@@ -12,8 +12,120 @@ describe('getTheTitles', function() {
       }
     ]
 
+    const emptyTitle = [
+      {
+        title: '',
+        author: ''
+      }
+    ]
+
+    const longTitle = [
+      {
+        title: 'Angel: How to Invest in Technology Startups—Timeless Advice from an Angel Investor Who Turned $100,000 into $100,000,000',
+        author: 'Calacanis, Jason'
+      }
+    ]
+
+    const titleWithQuoteMark = [
+      {
+        title: "The Startup Owner's Manual",
+        author: 'Blank, Steve'
+      }
+    ]
+
+    const manyBooks = [
+      {
+        title: 'Sapiens: A Brief History of Humankind',
+        author: 'Harari, Yuval Noah'
+      },
+      {
+        title: 'Thinking, Fast and Slow',
+        author: 'Kahneman, Daniel'
+      },
+      {
+        title: 'Yertle the Turtle and Other Stories',
+        author: 'Seuss, Dr'
+      },
+      {
+        title: 'Principles: Life and Work',
+        author: 'Dalio, Ray'
+      },
+      {
+        title: 'The Personal MBA: Master the Art of Business',
+        author: 'Kaufman, Josh'
+      },
+      {
+        title: 'High Output Management',
+        author: 'Grove, Andrew S'
+      },
+      {
+        title: 'The Mom Test',
+        author: 'Fitzpatrick, Rob'
+      },
+      {
+        title: 'How to Win Friends and Influence People',
+        author: 'Carnegie, Dale'
+      },
+      {
+        title: 'Never Split the Difference',
+        author: 'Voss, Chris'
+      },
+      {
+        title: 'Grit',
+        author: 'Duckworth, Angela'
+      },
+      {
+        title: 'Motivational Interviewing: Helping People Change',
+        author: 'Rollnick, Stephen'
+      },
+      {
+        title: 'Salt, Fat, Acid, Heat: Mastering the Elements of Good Cooking',
+        author: 'Nosrat, Samin'
+      },
+      {
+        title: 'Deep Work',
+        author: 'Newport, Cal'
+      }
+    ]
+
   it('gets titles', function() {
     expect(getTheTitles(books)).toEqual(['Book','Book2']);
   });
 
+  xit('works with empty arrays', function() {
+    expect(getTheTitles([])).toEqual([]);
+  })
+
+  xit('works with empty titles', function() {
+    expect(getTheTitles(emptyTitle)).toEqual(['']);
+  })
+
+  xit('works with long titles', function() {
+    expect(getTheTitles(longTitle)).toEqual(['Angel: How to Invest in Technology Startups—Timeless Advice from an Angel Investor Who Turned $100,000 into $100,000,000']);
+  })
+
+  xit('works with titles containing quote marks', function() {
+    expect(getTheTitles(titleWithQuoteMark)).toEqual(["The Startup Owner's Manual"]);
+  })
+
+  xit('works with long arrays', function() {
+    expect(getTheTitles(manyBooks)).toEqual(
+      [
+        'Sapiens: A Brief History of Humankind',
+        'Thinking, Fast and Slow',
+        'Yertle the Turtle and Other Stories',
+        'Principles: Life and Work',
+        'The Personal MBA: Master the Art of Business',
+        'High Output Management',
+        'The Mom Test',
+        'How to Win Friends and Influence People',
+        'Never Split the Difference',
+        'Grit',
+        'Motivational Interviewing: Helping People Change',
+        'Salt, Fat, Acid, Heat: Mastering the Elements of Good Cooking',
+        'Deep Work'
+      ]
+    )
+  })
+
 });