Penguin Young Readers Group

Adventure According to Humphrey

According to Humphrey (Series)

Betty G. Birney Author
(2009)

Friendship According to Humphrey

According to Humphrey (Series)

Book 2

Betty G. Birney Author
(2006)

The World According to Humphrey

According to Humphrey (Series)

Book 1

Betty G. Birney Author
(2005)

Summer According to Humphrey

According to Humphrey (Series)

Betty G. Birney Author
(2010)

School Days According to...

According to Humphrey (Series)

Book 7

Betty G. Birney Author
(2011)

Surprises According to Humphrey

According to Humphrey (Series)

Book 4

Betty G. Birney Author
(2009)

Trouble According to Humphrey

According to Humphrey (Series)

Betty G. Birney Author
(2008)

Mysteries According to Humphrey

According to Humphrey (Series)

Book 8

Betty G. Birney Author
(2012)

Winter According to Humphrey

According to Humphrey (Series)

Betty G. Birney Author
(2012)

Humphrey's Playful Puppy Problem

Humphrey's Tiny Tales (Series)

Betty G. Birney Author
Priscilla Burris Illustrator
(2014)

Humphrey's Really Wheely...

Humphrey's Tiny Tales (Series)

Book 1

Betty G. Birney Author
Priscilla Burris Illustrator
(2014)

El mundo de acuerdo a Humphrey

According to Humphrey (Series)

Book 1

Betty G. Birney Author
(2015)

La amistad de acuerdo a Humphrey

According to Humphrey (Series)

Book 2

Betty G. Birney Author
(2018)

La vida de acuerdo a la rana Og

Og the Frog (Series)

Betty G. Birney Author
(2020)