Trilogies with five books (15 books)

This list is for any trilogy of books that grew to a series of five books from the original three.

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1	An Acceptable Time (Time Quintet, #5) by Madeleine L'Engle 3.78 avg rating — 23,935 ratings score: 100, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
1	Ingo by Helen Dunmore 3.95 avg rating — 10,805 ratings score: 100, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
3	Many Waters (Time Quintet, #4) by Madeleine L'Engle 3.95 avg rating — 50,375 ratings score: 99, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
3	The Tide Knot by Helen Dunmore 3.99 avg rating — 5,639 ratings score: 99, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
5	A Swiftly Tilting Planet (Time Quintet, #3) by Madeleine L'Engle 4.07 avg rating — 111,812 ratings score: 98, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
5	The Deep by Helen Dunmore 4.01 avg rating — 4,945 ratings score: 98, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
7	A Wind in the Door (Time Quintet, #2) by Madeleine L'Engle 3.98 avg rating — 132,502 ratings score: 97, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
7	The Crossing of Ingo by Helen Dunmore 4.10 avg rating — 3,473 ratings score: 97, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
9	A Wrinkle in Time (Time Quintet, #1) by Madeleine L'Engle 3.97 avg rating — 1,288,687 ratings score: 96, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
9	Stormswept by Helen Dunmore 3.84 avg rating — 1,197 ratings score: 96, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
11	The Hitchhiker’s Guide to the Galaxy (Hitchhiker's Guide to the Galaxy, #1) by Douglas Adams 4.22 avg rating — 2,021,895 ratings score: 95, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
12	The Restaurant at the End of the Universe (The Hitchhiker's Guide to the Galaxy, #2) by Douglas Adams 4.20 avg rating — 317,054 ratings score: 94, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
13	Life, the Universe and Everything (The Hitchhiker's Guide to the Galaxy, #3) by Douglas Adams 4.16 avg rating — 251,095 ratings score: 93, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
14	So Long, and Thanks for All the Fish (Hitchhiker's Guide to the Galaxy, #4) by Douglas Adams 4.08 avg rating — 185,749 ratings score: 92, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
15	Mostly Harmless (Hitchhiker's Guide to the Galaxy, #5) by Douglas Adams 3.96 avg rating — 139,607 ratings score: 91, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars