Pseudonymous Bosch is the pen name of Raphael Simon, author of the Secret Series children's books. The name plays off that of the artist Hieronymus Bosch, with the first name a combination of the words pseudonym and anonymous. The Secret Series is a pentalogy

Pentalogy

A pentalogy is a compound literary or narrative work that is made up of five distinct works, just as a trilogy is made up of three works, and a tetralogy of four...

 of novels based on the five senses: Sight

Visual perception

Visual perception is the ability to interpret information and surroundings from the effects of visible light reaching the eye. The resulting perception is also known as eyesight, sight, or vision...

, Smell

Olfaction

Olfaction is the sense of smell. This sense is mediated by specialized sensory cells of the nasal cavity of vertebrates, and, by analogy, sensory cells of the antennae of invertebrates...

, Sound

Sound

Sound is a mechanical wave that is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing and of a level sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.-Propagation of...

, Taste

Taste

Taste is one of the traditional five senses. It refers to the ability to detect the flavor of substances such as food, certain minerals, and poisons, etc....

, and Touch. The narratives of the books are frequently interrupted with short side stories and "secret" information. Bosch in character can be seen at book signing events wearing sunglasses to protect his identity.

The Secret Series

Bosch's Secret Series consists of the following novels:

• The Name of This Book Is Secret
  The Name of this Book is Secret
  The Name of this Book is Secret is a 2007 fantasy novel for young readers by Pseudonymous Bosch. It chronicles the adventures of two children, Cass and Max-Ernest, as they investigate the mysterious death of local Pietro Bergamo. As you find out later in the book, he is not really dead...
  
  (2007) is based on smell.
• If You're Reading This, It's Too Late
  If you're reading this, it's too late
  If You're Reading This, It's Too Late is the sequel to The Name of this Book is Secret in the Secret Series by Pseudonymous Bosch. It was released in October 2008 and features the same characters as the first book...
  
  (2008) is based on sound.
• This Book Is Not Good for You
  This Book Is Not Good for You
  This Book is Not Good for You is a book by anonymous author Pseudonymous Bosch. It is part of the "Secret Series, a pentalogy of books written by Bosch, and is the sequel to The Name of This Book is Secret and If You're Reading This, It's Too Late...
  
  (2009) is based on taste.
• This Isn't What It Looks Like
  This Isn't What It Looks Like
  This Isn't What It Looks Like is a book by anonymous author Pseudonymous Bosch. It is the fourth book in the pentalogy "The Secret Series", and is the sequel to This Book is Not Good for You, If You're Reading This, It's Too Late, and The Name of this Book is Secret...
  
  (2010) is based on sight.
• You Have To Stop This
  You Have To Stop This
  You Have To Stop This is a book by the author Pseudonymous Bosch. It is the fifth book in The Secret Series, and it is a sequel to This Isn't What It Looks Like, This Book is Not Good for You, If You're Reading This, It's Too Late, and The Name of this Book is Secret...
  
  (2011) is based on touch.