Eats, Shoots and Leaves, the brainchild of author Lynne Truss, is subtitled The Zero Tolerance Approach to Punctuation.

On Sunday it topped the bestseller list of the UK online retailer Amazon, and is into its sixth reprint since publication last month. A US edition has also been commissioned.

Are you a teacher's pet when it comes to the use of punctuation marks, or do stray apostrophes and random commas trip you up from time to time? Test yourself.

How many types of punctuation (or sets of punctuation marks, such as brackets) are there, according to the Oxford Dictionary of English?

A: 9 B: 12 C: 15

How many punctuation errors are in this phrase: jonny couldnt believe what his teacher had said did he really say jonnys a useless halfwit he asked

A: 8 B: 12 C: 15

The Greengrocer's Apostrophe occurs where the word is in fact a simple plural. For example: "Apple's 50p". So which of these sentences is punctuated correctly?

A: Greengrocer's alway's make mistake's with apostrophe's. B: Greengrocers always make mistakes with apostrophes. C: Greengrocers' always make mistakes with apostrophe's. D: Greengrocers' always make mistakes with apostrophes.

Sir Ian said he was amazed that people had come from all over the world for the premiere, adding that he was "overwhelmed." Correct punctuation?

A: Right B: Wrong

Sir Ian said he was amazed that people had come from all over the world for the premiere. He added: "I'm overwhelmed". Correct punctuation?

A: Right B: Wrong

To British ears, calling a full stop a "period" sounds very American. But DID Shakespeare refer to full stops as periods?

A: Yes B: No

One word which causes punctuation nightmares is "it's". It's usually short for "it is", but can it mean anything else?

A: It can also be short for "it has". B: It can denote possession, eg "It's memory is full." C: No, it can't be used for anything else.

Writing text messages or e-mails (or even websites) can tax your powers of punctuation. Decipher the colon and dash in this sentence: "We used 2go2 NY 2C my bro his GF & thr 3 :- kids FTF"

A: It's a mistype the writer didn't bother deleting. B: It means "screaming". C: It's shorthand for "little" where : stands for the "li" and - the crossbar of the double t.

"Punctuation isn't as difficult as it seems," she wrote. "Your getting the idea already." You may be, but is she?

A: Yes B: No

"I have been a good boy all year I want a digger and a Spider-Man costume from Santa." How best to divide these sentences?

A: "I have been a good boy all year; I want a digger and a Spider-Man costume from Santa." B: "I have been a good boy all year; I want a digger, and a Spider-Man costume from Santa." C: "I have been a good boy all year, I want a digger and a Spider-Man costume from Santa."

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