Checked means read. Bold means I have in my possession. Italics mean I have the book on reserve. And * means I own a copy.

Chronicles

• ✔ Dragons of Autumn Twilight
• ✔ Dragons of Winter Night
• ✔ Dragons of Spring Dawning

Legends

• ✔ Time of the Twins *
• ✔ War of the Twins *
• ✔ Test of the Twins *

Raistlin Chronicles

• ✔ The Soulforge *
• ✔ Brothers In Arms *

The New Generation

• ✔ The Second Generation
• ✔ Dragons of Summer Flame

Dragons of a New Age

• ✔ The Dawning of a New Age
• ✔ The Day of the Tempest
• ✔ The Eve of the Maelstrom

War of Souls

• ✔ Dragons of a Fallen Sun
• ✔ Dragons of a Lost Star
• ✔ Dragons of a Vanished Moon

Dark Disciple

• ✔ Amber and Ashes
• ✔ Amber and Iron
• ✔ Amber and Blood

Lost Chronicles

• ✔ Dragons of the Dwarven Depths
• ✔ Dragons of the Highlord Skies
• ✔ Dragons of the Hourglass Mage

List from here.