Paperback. When the teachers are out, the spies are in.Theo Reyes, age 12, thought his first day subbing for math class would be bad. Then a secret agency recruits him during a fire drill.Now he's a substitute teacher by day. and a substitute agent by also day.His mission: stop the PTA from hacking his middle school.Armed with a hall pass that opens any door, a best friend who weaponizes Shakespeare, and a C- in French, Theo must go undercover before the bell rings on Zero Period.Rule #1 of AEP: Never break character.The Substitute Network: Classified is a fast-paced, laugh-out-loud middle grade spy novel packed with mystery, secret agents, school espionage, clever gadgets, and nonstop adventure. Perfect for readers ages 9-12 who love humorous spy stories, detective mysteries, and action-packed school adventures.Book One in the Substitute Network series. This item is printed on demand. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

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Bibliographic Details

Title: The Substitute Network #1 (Paperback)
Publisher: Jaymes Mercer
Publication Date: 2026
Language: English
ISBN 13: 9798235117839
Binding: Paperback
Condition: new

About this title

Synopsis

When the teachers are out, the spies are in.

Theo Reyes, age 12, thought his first day subbing for math class would be bad. Then a secret agency recruits him during a fire drill.

Now he's a substitute teacher by day... and a substitute agent by also day.

His mission: stop the PTA from hacking his middle school.

Armed with a hall pass that opens any door, a best friend who weaponizes Shakespeare, and a C- in French, Theo must go undercover before the bell rings on Zero Period.

Rule #1 of AEP: Never break character.

The Substitute Network: Classified is a fast-paced, laugh-out-loud middle grade spy novel packed with mystery, secret agents, school espionage, clever gadgets, and nonstop adventure.

Perfect for readers ages 9-12 who love humorous spy stories, detective mysteries, and action-packed school adventures.

Book One in the Substitute Network series.

"About this title" may belong to another edition of this title.

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