I Used to Know That: English, by Patrick Scrivenor
If you can't tell a possessive pronoun from a correlative conjunction, confuse 'disinterested' and 'uninterested' and struggle with the subjunctive, then I Used to Know That: English has the answers.
Relearn the essential rules of the English language, from grammar and punctuation to sentence construction and parts of speech. Also helps to improve your spelling and clarifies the vocabulary that often causes confusion.
Focusing on simplicity and clarity, this is an accessible yet fun way to revisit the English language while enjoying a walk down memory lane - and remembering the stuff you really shouldn't have forgotten...