Series - Books in order

Magic Tree House books in order

by Mary Pope Osborne - 37 books - 1992-2024 - Updated June 2026

Jack and Annie discover a tree house full of books in the woods of Frog Creek, Pennsylvania. Each book transports them to a different time and place in history, from dinosaur era to ancient Egypt to the moon landing. Osborne designed the series to make history exciting for early readers, and it works. The books are short, accurate enough to spark curiosity, and structured so kids can read them independently. The first 28 books form the original run. Books 29 onward (originally published as Merlin Missions) add fantasy elements and longer plots.

Osborne
Dinosaurs Before Dark
1
The short answer

Read in publication order, starting with Dinosaurs Before Dark (1992). publication.

37 books - read in publication order
Show orderPublication order
Contains affiliate links
#BookPublishedRatingWhere to read
1
Dinosaurs Before Dark
Dinosaurs Before DarkStart
19924.1
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
2
The Knight at Dawn
The Knight at Dawn
19934.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
3
Mummies in the Morning
Mummies in the Morning
19934.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
4
Pirates Past Noon
Pirates Past Noon
19944.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
5
Night of the Ninjas
Night of the Ninjas
19954.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
6
Afternoon on the Amazon
Afternoon on the Amazon
19954.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
7
Sunset of the Sabertooth
Sunset of the Sabertooth
19964.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
8
Midnight on the Moon
Midnight on the Moon
19964.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
9
Dolphins at Daybreak
Dolphins at Daybreak
19974.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
10
Ghost Town at Sundown
Ghost Town at Sundown
19974.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
11
Lions at Lunchtime
Lions at Lunchtime
19984.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
12
Polar Bears Past Bedtime
Polar Bears Past Bedtime
19984.1
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
13
Vacation Under the Volcano
Vacation Under the Volcano
19984.1
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
14
Day of the Dragon King
Day of the Dragon King
19984.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
15
Viking Ships at Sunrise
Viking Ships at Sunrise
19984.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
16
Hour of the Olympics
Hour of the Olympics
19984.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
17
Tonight on the Titanic
Tonight on the Titanic
19994.1
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
18
Buffalo Before Breakfast
Buffalo Before Breakfast
19994.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
19
Tigers at Twilight
Tigers at Twilight
19994.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
20
Dingoes at Dinnertime
Dingoes at Dinnertime
20004.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
21
Civil War on Sunday
Civil War on Sunday
20004.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
22
Revolutionary War on Wednesday
Revolutionary War on Wednesday
20004.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
23
Twister on Tuesday
Twister on Tuesday
20014.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
24
Earthquake in the Early Morning
Earthquake in the Early Morning
20014.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
25
Stage Fright on a Summer Night
Stage Fright on a Summer Night
20024.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
26
Good Morning, Gorillas
Good Morning, Gorillas
20024.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
27
Thanksgiving on Thursday
Thanksgiving on Thursday
20024.0
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
28
High Tide in Hawaii
High Tide in Hawaii
Final book in the original 28-book run.
20034.1
Kindle $4.99Paperback $5.99Audible $4.99Bookshop $6.99
29
Christmas in Camelot
Christmas in Camelot
First Merlin Mission. Longer format with more fantasy elements.
20014.1
Kindle $5.99Paperback $6.99Audible $5.99Bookshop $7.99
30
Haunted Castle on Hallows Eve
Haunted Castle on Hallows Eve
20034.0
Kindle $5.99Paperback $6.99Audible $5.99Bookshop $7.99
31
Summer of the Sea Serpent
Summer of the Sea Serpent
20044.0
Kindle $5.99Paperback $6.99Audible $5.99Bookshop $7.99
32
Winter of the Ice Wizard
Winter of the Ice Wizard
20044.0
Kindle $5.99Paperback $6.99Audible $5.99Bookshop $7.99
33
Carnival at Candlelight
Carnival at Candlelight
20054.0
Kindle $5.99Paperback $6.99Audible $5.99Bookshop $7.99
34
Season of the Sandstorms
Season of the Sandstorms
20054.0
Kindle $5.99Paperback $6.99Audible $5.99Bookshop $7.99
35
Night of the New Magicians
Night of the New Magicians
20064.0
Kindle $5.99Paperback $6.99Audible $5.99Bookshop $7.99
36
Blizzard of the Blue Moon
Blizzard of the Blue Moon
20064.0
Kindle $5.99Paperback $6.99Audible $5.99Bookshop $7.99
37
Dragon of the Red Dawn
Dragon of the Red Dawn
20074.0
Kindle $5.99Paperback $6.99Audible $5.99Bookshop $7.99
Our recommended reading order

publication

Osborne
Dinosaurs Before Dark
Best book to start with

Dinosaurs Before Dark

Book #1, and still the best on-ramp. It sets up everything that makes this series work.

Start →

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Frequently asked questions

The first 28 books have a loose ongoing story about who Morgan le Fay is and why she sent Jack and Annie on their missions. Reading in order is best but not required. Each book visits a self-contained time period.

The original 28 books are shorter and focused on real historical settings. Starting with book 29 (Christmas in Camelot), the books add fantasy elements (Merlin, magic) and are slightly longer. They were originally published as a separate Merlin Missions series but are now numbered continuously.

Ages 6-9 for the original series. The Merlin Missions skew slightly older (7-10). These are often the first chapter books kids read independently.

Contains affiliate linksUpdated June 2026