The book is available at Sacred Texts, and the links below are to that online edition.
The Second Tablet: Of the Meeting of Gilgamish and Enkidu
The Third Tablet: The Expedition to the Forest of Cedars against Humbaba
The Fourth Tablet: The Arrival at the Gate of the Forest
The Fifth Tablet: Of the Fight with Humbaba
The Sixth Tablet: Of the Goddess Ishtar, Who Fell In Love With the Hero After His Exploit Against Humbaba
The Seventh Tablet: The Death of Enkidu
The Eighth Tablet: Of the Mourning of Gilgamish, and What Came of It
The Ninth Tablet: Gilgamish In Terror of Death Seeks Eternal Life
The Tenth Tablet: How Gilgamish Reached Uta-Napishtim
The Eleventh Tablet: The Flood
The Twelfth Tablet: Gilgamish, In Despair, Enquires of the Dead