For preparation with VB, read the threads 'Free Help' and '11+ preparation overseas' in Bucks and 'Mike to Patricia' in Verbal reasoning'. The exams board in Bucks is also NFER.
But be aware that the Bucks test is only made of 2 VB tests only, and these tests have extra questions types that are not always included in the standard NFER papers. The IPS practice papers have all the types for Bucks, and you may not need the types H,I,K,N,O and S in standard NFER test. BUT, I can't be sure of what is effectively included in the Kendrick exam!
In general, if your board is NFER, do not use Bond for VB.
You can use Bond for Maths, specially for general practice and a step ahead at the end: The Bond 11+ test papers are harder than the NFER test papers, although they can be slighlty different in style. The IPS practice papers are very similar to NFER.
Hope this helps. Please ask if you have any more question