2021

Picture Books: The Panda Problem
by Deborah Underwood

Chapter Books: Ninja Kid
by Anh Do

Graphic Novels: Guts
by Raina Telgemeier

Middle School: White Bird 
by  R.J. Palacio

High School: A Good Girl's Guide to Murder
by Holly Jackson

Japanese Picture Books: パンどろぼう
by 柴田ケイコ

Japanese Chapter Books: 生き残りゲーム ラストサバイバル 最後まで歩けるのはだれだ!?
by 大久保 開 

Japanese Middle/ High School: 世界は「 」で満ちている
by 櫻いいよ

2020

English Picture Books: Magic Ramen: The Story of Momofuku Ando by Andrea Wang

English Chapter Books: The boy at the Back of the Class by Rauf Onjali

Graphic Novels: The Cardboard Kingdom by Chad Sell

English Middle School: Skyward  by Brandon Sanderson

English High School: Warcross by Marie Lu

Japanese Picture Books: なまえのないねこ by 竹下文子 

Japanese Chapter Books: ぼくとニケ by 片川優子

Japanese Middle/ High School(tie): 僕は上手にしゃべれない by 椎野直弥 & 母さんがどんなに僕を嫌いでも by 歌川たいじ

2019

English Picture Books: The Bad Seed by Jory John

English Chapter Books: The Insignificant Events in the Life of a Cactus by Dusti Bowling

Graphic Novels: Real Friends by Shannon Hale

English MS Books: Refugee by Alan Gratz

English HS Books: Nyxia by Scott Reintgen

Japanese Picture Books: せかいいちまじめなレストラン by たしろちさと

Japanese Chapter Books: ぼく、ちきゅうかんさつたい by 松本聰美

Japanese MS Books: 繕い屋の娘カヤ by 曄田依子

Japanese HS Books: かがみの孤城 by 辻村深月

2018

English Picture Books: The Legend of Rock Paper Scissors by Drew Daywalt

English Chapter Books: The Last Kids on Earth by Max Brallier

Graphic Novels: Ghosts by Raina Telgemeier

English MS Books: The Novice by Taran Matharu.

English HS Books: Scythe by Neal Shusterman

Japanese Picture Books:てのりにんじゃ by 山田マチ

Japanese Chapter Books: 牛乳カンパイ係、田中くん by 並木たかあき

Japanese MS Books:いい人ランキング by 吉野万理子

Japanese HS Books: 世界の果てのこどもたち by 中脇初枝

2017

English Middle School Books: Echo

           Rule of Thre3

English Picture Books: Ida, Always by Caron Levis

English Chapter Books: Masterminds by Gordon Korman

English Graphic Novel: Roller Girl by Victoria Jamieson

English High School Books: Six of Crows by Leigh Bardugo

Japanese Picture Books: Chun to ka no jankenpon by Hiroko Oomori

Japanese Middle School Books: Onayami sodanbu (おなやみ相談部) by Karen Miura

Japanese High School Books: Hitsuji to hagane no mori (羊と鋼の森) by Natsu Miyashita

2016

English Picture Books: The Book with No Pictures by B.J. Novak

English Chapter Books: Space Case by Stuart Gibbs

English Graphic Novel: Sisters by Raina Telgemeier

English Middle School Books: Wild Boy by Rob Lloyd Jones

English High School Books: The Bunker Diary by Kevin Brooks

Japanese Middle School Books: Futari (ふたり) by Takahiro Fukuda

Japanese High School Books: Ave maria no vaiorin (アヴェ・マリアのヴァイオリン) by Yoshiko Kagawa

Murakami kaizoku no musume (村上海賊の娘) by Ryo Wada

2015

English Picture Books: The Day the Crayons Quit by Drew Daywalt

English Chapter Books: Mr. Lemoncello’s Library by Chris Grabenstein

English Graphic Novel: Monster on the Hill by Rob Harrell

English Middle School Books: Bodyguard (Hostage) by Chris Bradford

English High School Books: Butter by Erin Lange

Japanese Middle School Books: Kusayomi (クサヨミ) by Masaya Fujita

Japanese High School Books: Jiu no hito (慈雨の人) by Takayuki Emiya

2014

English Picture Books: Anton and the Battle by Ole Könnecke

English Chapter Books:  Fake Mustache by Tom Angleberger

English Graphic Novel: Cardboard by Doug TenNapel

English Middle School Books: A Monster Calls, by Patrick Ness

English High School Books: Every Day by David Levithan

Japanese Middle School Books: Kokoro no mori (心の森) by Rui Kodemari

Japanese High School Books: Ruuzuberuto geemu (ルーズヴェルト・ゲーム) by Jun Ikeido

2013

Picture Books: E-mergency! by Tom Lichtenheld

Japanese Picture Books: 地球をほる (Chikyu wo Horu) by 川端誠

Japanese Chapter Books: あけちゃダメ！ (Akecha Dame!) by 小川英子

English Chapter Books: The Brilliant World of Tom Gates by L. Pichon

English Middle School: Legend by Marie Lu Japanese Middle School: 一円大王さま (Ichienn Daiou Sama) すとうあさえ 

Japanese High School: ぼくらのメリークリスマス (Bokura no Merii Kurisumasu ) by 宗田理 

English High School: Divergent by Veronica Roth and Ready Player One by Ernest Cline.

2012

English Picture Books: Interrupting Chicken by David Ezra Stein 

Japanese Picture Books: こんもりくん by 山西 ゲンイチ 

English Chapter Books: Out of my Mind by Sharon Draper 

Japanese Chapter Books: さらば、シッコザウルス by 服部千春 

English Middle School: Blood Ninja by Nick Lake 

Japanese Middle School: 秘密のスイーツ by はやしまりこ 

English High School: Boys Don’t Cry by Malory Blackman 

Japanese High School: お父やんとオジさん by 伊集院 静

2011

Picture Books: The Book That Eats People by John Perry 

Chapter Books: Where the Mountain Meets the Moon by Grace Lin 

Middle School: Cosmic by Frank Cottrell Boyce 

High School: The Nest by Paul Jennings Japanese Picture Books(tie!): べべべん べんとう by さいとうしのぶ and むしばいっかのおひっこし (講談社の創作絵本) by にしもとやすこ 

Japanese Chapter Books: 小さなりゅう by 長井るり子 

Japanese Middle School: 招福堂のまねきねこ by 茂市久美子 

Japanese High School: 神様のカルテ by 夏川 草介

2010

Picture Books: The Pencil by Allan Ahlberg

Chapter Books: Sisters of the Sword by Maya Snow

Middle School: The Hunger Games by Suzanne Collins

High School: Numbers by David A. Poulsen

Japanese Picture Books: 100かいだてのいえ by 岩井 俊雄

Japanese Intermediate (tie):ナニワのMANZAIプリンセス (ノベルズ・エクスプレス) by 荒井 寛子 and は なこ 八月七日にひろったこねこ by なりゆき わかこ

Japanese Middle/High School: 告白 by 湊 かなえ

2009

Picture Books: Penguin by Polly Dunbar

Chapter Books: The Name of this Book is Secret by Pseudonymous Bosch

Middle School: Unwind by Neal Shusterman

High School: The Name of the Wind by Patrick Rothfuss

Japanese Picture Books: ふしぎなでまえ (Fushigi na demae) by かがくい ひろし (Hiroshi Kagakui)

Japanese Middle/High School: 夢をかなえるゾウ (Yume o kanaeru zo) by 水野敬也 (Keiya Mizuno)

2008

Picture Books: Library Lion by Michelle Knudsen & Kevin Hawkes

Chapter Books: The Invention of Hugo Cabret by Brian Selznick

Middle School: Girl Missing by Sophie McKenzie

High School: Fire Storm by David Klass

Japanese Picture Books:

Japanese Middle/High School: 獣の奏者 by 上橋 菜穂子

2007

Picture Books: Dougal the Garbage Dump Bear by Matt Dray

Chapter Books: Cryptid Hunters by Roland Smith

Middle School: The Recruit by Robert Muchamore

High School (tie): Elsewhere by Gabrielle Zevin & The Book Thief by Markus Zusak

Japanese High School: 佐賀のがばいばあちゃん by 島田 洋七

2006

Picture Books: Mystery at the Club Sandwich by Doug Cushman

Chapter Books: Dragon Rider by Cornelia Funke

Middle School / High School: Arkangel by Anthony Horowitz

Japanese High School: Koufukuna Shokutaku by Maiko Seo