The Adventurers and The Cursed Castle by Jemma Hatt  

Silas and the marvellous misfits by Tom Percival

Box  by Patrick Wirbeleit & Uwe Heidschötter

Nikki Tesla and the ferret-proof death ray by Jess Keating

Diary of a 6th grade ninja by Marcus Emerson

Ms. Marvel stretched thin by Nadia Shammas 

more books for Grades 4 and 5

Wish by Barbara O'Connor.

Bridge to Terabithia  by Katherine Paterson

more books for Grade 5

Dragon Rider by Cornelia Funke

Saraswati's Way by Monika Schröder

The following titles are available in German:

Kiste

Meine Abenteuer als Schul-Ninja : Nichts für Feiglinge!

 Die Brücke nach Terabithia 

Counting by 7s by Holly Goldberg Sloan

The breadwinner by Deborah Ellis

The Thief Lord by Cornelia Funke 

The secret garden by Frances Hodgson Burnett

Magical Boy - Volume 1 : A Graphic Novel by The Kao

Artemis Fowl by Eoin Colfer

The following titles are available in German:

Glück ist eine Gleichung mit 7

  by Holly Goldberg Sloan

Die Sonne im Gesicht : ein Mädchen in Afghanistan by Deborah Ellis

Herr der Diebe by Cornelia Funke 

The ABC murders by Agatha Christie

Cinder by Marissa Meyer

Fablehaven by Brandon Mull 

The island at the end of everything by Kiran Millwood Hargrave

Grenade by Alan Gratz

The 57 bus by Dashka Slater

The following titles are available in German:

Bus 57 : eine wahre Geschichte by Dashka Slater

Hilo: The Boy Who Crashed to Earth by Judd Winick

Donut Feed the Squirrels by Mika Song

Julius Zebra: Rumble with the Romans by Gary Northfield

Rosie Revere and the Raucous Riveters by Andrea Beaty

Aleca Zamm is a Wonder by  Ginger Rue

I Survived the Sinking of the Titanic by  Lauren Tarshis

more books for Grades 4 and 5

Robin Hood by Howard Pyle

The Boy at the Back of the Class by Onjali Rauf

more books for Grade 5

Malamander by Thomas Tyler

The Polar Bear Explorers' Club by  Alex Bell

The Greatest Spy Who Never Was by David Codd

Prince Caspian by C. C. Lewis

Sal & Gabi Break the Universe by Carlos Hernandez

Restart by Gordon Korman

Best Friends by Shannon Hale

Aru Shah and the End of Time by Roshani Chokshi

In Real Life by Cory Doctorow

Oliver Twist by Charles Dickens

Reaching the Moon by Katherine Johnson

The Screaming Staircase by Jonathan Stroud

Shadow and Bone by Leigh Bardugo

The Hitchhiker's Guide to the Galaxy by Douglas Adams

Grades 3-5

The Lion Who Stole My Arm by Nicola Davies

Malala: My Story of Standing Up for Girls' Rights by Malala Yousafzai und Patricia McCormick 

Wild Rescuers: Guardians of the Taiga by Stacy Plays

5 Worlds: The Sand Warrior by Marc & Alexis Siegel

Doctor Proctor's Fart Powder by Jo Nesbo

The Spiderwick Chronicles: The Field Guide by Tony DiTerlizzi and Holly Black

more books for Grades 4-5

Pie in the Sky by Remy Lai

Bud, Not Buddy by Christopher Paul Curtis

more books for Grade 5

My Brother Is a Superhero by David Solomons

Where the Mountain Meets the Moon by Grace Lin

Be Prepared by Vera Brosgol

The Goldfish Boy by Lisa Thompson

Colorblind: A Story of Racism by Johnathan Harris

Percy Jackson: The Lightning Thief by Rick Riordan

What Not to Do If You Turn Invisible by Ross Welford

Nevermoor: The Trials of Morrigan Crow by Jessica Townsend

Welcome to Nowhere by Elizabeth Laird

One of Us Is Lying by Karen M. McManus

City of the Beasts by Isabel Allende

The Hate U Give by Angie Thomas

The Boy Who harnessed the Wind by William Kamkwamba

Diary of a Tokyo Teen by Christine Mari Inzer

Fortunately, the Milk by Neil Gaiman

Boy Overboard by Morris Gleitzman

The Boy Who Harnessed the Wind by William Kamkwamba

The Tiger Rising by Kate DiCamillo

Little Robot by Ben Hatke

The Spy Who Loved School Dinners by Pamela Butchart

Spirit Animals: Wild Born by Brandon Mull

El Deafo by Cece Bell

The Bad Guys by Aaron Blabey

Dagonbreath by Ursula Vernon

The following titles are available in German:

Böse Jungs. Band 1 (The Bad Guys)

Spirit Animals: Der Feind erwacht

Kentucky Star (The Tiger Rising)

Die verrückte Ballonfahrt mit Professor Stegos Total-locker-in-der-Zeit-Herumreisemaschine (Fortunately, the Milk)

Grades 6-8:

Once by Morris Gleitzmann

Awkward by Svetlana Chmakova

The Green Bicycle by Haifaa al-Mansour

Gregor the Overlander by Suzanne Collins

Shadow of the Minotaur by Alan Gibbons

Illegal by Eoin Colfer and Andrew Donkin

Grades 7-8:

Refugee by Alan Gratz

The Girl Who Drank the Moon by Kelly Barnhill 

Skeleton Creek by Patrick Carman

Out of My Mind by Sharon Draper

Crossover by Kwame Alexander

The School for Good and Evil by Soman Chainani

The following titles are available in German:

Einmal (Once)

The school for good and evil: Es kann nur eine geben

Gregor und die graue Prophezeiung (Gregor the Overlander)

Out of my mind : Mit Worten kann ich fliegen

Das Mädchen Wadjda (The Green Bicycle)

Love, Hate & Other Filters by Samira Ahmed

Booked by Kwame Alexander

The Smell of Other People's Houses by Bonnie-Sue Hitchcock

A Separate Peace by John Knowles

Ender's Game by Orson Scott Card

Children of Blood and Bone by Tomi Adeyemi

American Born Chinese by Gene Luen Yang

The Great Gatsby by F. Scott Fitzgerald

The Compound by Stephanie Stuve-Bodeen

The Boys Who Challenged Hitler by Phillip Hoose

Noughts & Crosses by Malorie Blackman

Coraline by Neil Gaiman

The following titles are available in German:

Der große Gatsby 

Himmel und Hölle (Noughts & Crosses)

Überleben (The Compound)

Enders Spiel (Ender's Game)