In the Know SKU: $26.85 to $35.75 Select Product Type : New Used Ship Available Pickup in Store - FREE! Select Store to check availability. Quantity -+ Add to Cart Details In the Know teaches the idioms students need to know in order to use and understand everyday idiomatic English. DetailsBackDetailsIn the Know teaches the idioms students need to know in order to use and understand everyday idiomatic English.See MoreSee Less Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review