From 'Is there Sex Before Marriage in Austen?' to 'Which important Austen characters never speak?' the Guardian Book Club columnist answers 21 apparently trivial questions that reveal deep and hidden truths about Jane Austen's fictional world

There is plenty to enjoy in this parade of Austen micro-knowledge Evening Standard Highly entertaining ... reveals a quite unexpected aspect to the novelist and her books Daily Mail Any new book on Jane Austen raises the urgent question, Would I get more pleasure from reading this than from re-reading my favourite Jane Austen novel? If you decide to give What Matters in Jane Austen a chance you'll know after a few pages that you've made the right choice John Carey, Sunday Times [A] fine collection of essays ... Like all good literary critics, he has the happy knack of making you read even familiar works with fresh eyes, and the essays in this book are among the best of their kind Daily Telegraph A detailed primer on Jane Austen's attitudes to sex, money, class and even the weather Sunday Times Must Reads Fascinating ... If you love Jane Austen, you'll love this book too - it's almost as good as finding an unpublished novel The Lady

John Mullan is a professor in the English department at UCL. He writes the regular 'Guardian Book Club' column on fiction in the Guardian and frequently appears on the BBC's Review Show. He was a judge of the 'Best of the Booker Prize' in 2008 and a judge of the Man Booker Prize itself in 2009. He has lectured widely on Jane Austen in the UK and also in the US, and makes regular appearances at the UK literary festivals.