The New Penguin Book of the Guardian Crosswords

Now, pay atTENtion everyone! Those of you with a TENdency to fritter away your spare time on TENnis or NinTENdo can discover a new way to work off TENsion: The New Penguin Book of the Guardian Crosswords 10. Of course, you'll need to be TENacious if you inTENd to complete them - TENtativeness will not do, nor will inatTENtion. These inTENsely cryptic puzzles will activate and agitate your mind and have you on TENterhooks. The New Penguin Book of the Guardian corsswords 10: beware its TENder mercies.