Which practice books for Sutton 11+?

[mondaycando1]

DC1 has just started year 4 so we're starting to think grammar / high school and possibly some tutoring.
They were in top 5% school's end of yr3 assessments in a school where 20% go on to selective schools so it seems reasonable to think selective at the moment.
Does anyone know which series of study guides / papers work best for Sutton? Bond or CGP and if CGP, Durham or other one? Thanks!

links to the products:

susandaughtreyeducation.com/shop-2/11-essentials-mental-arithmetic-essentials-practice-papers-first-past-the-post-book-1-3/

susandaughtreyeducation.com/shop-2/verbal-reasoning-technique-and-practice-1-2/

susandaughtreyeducation.com/shop-2/bond-english-10-minute-tests-10-11-years/

susandaughtreyeducation.com/shop-2/bond-english-assessment-papers-10-11years-book-1/

they also do 'practice exams'- your child can go along and do a practice paper, so when it is time for their real entrance exam they know what to expect. may be helpful if your child is only sitting one or 2 exams. we haven't been to one of these before, although all their 2018 sessions in some areas are sold out, so presume they are good.

susandaughtreyeducation.com/mock-exams/swherts/

wishing you all the best