Maybe they have only one international songbook for sale at a time. This one is from Sangam, the World Centre for World Association of Girl Guides and Girl Scouts in India. the book currently available appears to be a bit different.

Sangam GIT / Sangam Songbook
published for the friends of Sangam Committee, U.S.A.
by Girl Scouts of U.S.A., 1997

A Friendly World
A Magic Penny
A Ri Rang
A Sing Sing So
A Song of the Open Air
Abide with Us, O Lord
Action/Fun Songs (Song #153-169)
All Through the Night
Apple-Cheeked Rider, The
Arahina Grace
Ash Grove, The
Asia Pacific Song
Au Clair de la Lune

Back of the Bread
Barges
Bed Is Too Small
Been Ridin'
Blue and the Gold, The
Boo Appetit
Brava Bravissima
Breton Fisherman's Prayer

Campfire's Burning
Campfire Opening (Sussex)
Caravan Song
Celebrate Sangam
Chinese Fan, The
Cockles and Mussels
Come In to Sangam
Come, Follow
Cowboy Night Song
Cradle Song
Cuckoo

Deaf Woman's Courtship, The
Dona Nobis Pacem
Donkey Riding

Each Campfire Lights Anew
Ego Sum Pauper
Ev'ryone Knows It

Fare Thee Well
Flicker
For Health and Strength
French Cathedrals
Frogs, The

General/Campfire Songs (song #36-108)
Go Well and Safely
God Has Created a New Day
Golden Day, The
Graces (Song #109-119)
Guide Marching Song

Hai Hai Hai
Hand of Friendship, The
Hark to the Chimes
Ham Ga Kita

Jubelana

Hawaiian Fisherman's Song
He's Got the Whole World in His Hands
Head, Shoulders, Knees and Toes
Heidi
Hevenu Shalom Aleichem
Hey Dee Roon
Hey, Hey, Hey, Jubilee Hey
Hills, The
Hindi Song
Hiney Mah Toy
Holla Hi, Holla Ho
Horsey, Horsey

I Go My Merry Way
I Know a Place
I Love the Mountains
If You're Happy

Kaeru-no-Yomawari
Kee-Chee
Ku-vi-a-nak-tu-mat

Leron, Leron Sinta
Let Us Sing Together
Linger
Links of Unity
Little Bells, The
Lonely Evening
Look Wider Still
Louisiana Lullaby
Lu-la-le
Lullaby Round

Make New Friends
Marching to Pretoria
Me He Manu Rere
Moon on the Meadow
Music Shall Live
My Hat

No Man Is an Island
Not "Goodbye" but "Till We Meet Again"
Now Run Along Home
Now the Day Is Over

Old Hungarian Round
On the Loose
One World
Orchestra
Our Cabana Song
Our Chalet Song

Pass It On
Pax Lodge Song
Peace Is Flowing
Peace of the River
Pebble
Planting Rice
Pokare Kare
Prayer for Peace
Prospector Lullaby

Quodlibet (What You Will)

Rainbow Grace
Raindrop Round
Rally Song
Reach Beyond Your Horizon
Reach Out in Love!
Riding in the Morning
Rise Up, O Flame
Roll, Ye Covered Wagons
Rose, Rose
Rounds and Canons
Rover, The

Sakura
San Tok Ki
Sangam Festival Song
Sangam Grace
Sangam Song
Sarasponda
Say When
Serve God Daily
Silver Moon Is Shining, The
Simple Gifts
Sing Together
Sing Your Way Home
Sisters in Guiding
Ski Song
Skye Boat Song
Slumber, Slumber
Softly Falls the Light of Day
Song of Sangam
Song of the Delhi Tongawallah
Songs of the Asia Pacific (Song #12-35)
Sudu, Sudu
Suitors
Swan Sings, The
Swinging Along

Taps
Tell Me Why
Tena Koe
Thank You Song
The Apple-Cheeked Rider
The Ash Grove
The Blue and the Gold
The Chinese Fan
The Deaf Woman's Courtship
The Frogs
The Golden Day
The Hand of Friendship
The Hills
The Little Bells
The Rover
The Silver Moon Is Shining
The Swan Sings
The Wayfarer's Grace
The Wind in the Willows
The Windmill
The World Song
There Are So Many Worlds to Explore
Three Pirates
Today Is a New Day
Toembi
Tongo
Toviska
Traveler's Grace

When E'er You Make a Promise
Whip-Poor-Will
White Coral Bells
Who Loves the Rain

Tree Song
Two Ducks on a Pond
Tzena

Upward Trail

Vreneli

Walk, Shepherdess, Walk
Weave
Wimbaway
World Centers Songs (Song #1-11)
World Hunger Grace

Zulu Warrior