It can get very confusing for parents when stationery list specifies an exercise book name which is available only at a specific retailer. There are equivalent exercise books available in the market that you can buy. Below list will help you in finding equivalent exercise books. Exercise books marked with (*) means size is different. 

OTHER SUPPLIERS                                           WARWICK EQUIVALENT

JMB (255x205mm, 10mm Quad, 32 Leaf)                          1H5 (255x205mm, 10mm Quad, 36 Leaf)
JMB with margins (32 Leaf)                                            1H5 with margins (36 Leaf)
MA4 (297x210mm, A4, 7mm Quad, 32 Leaf)                      1E8 (297x210mm, 7mm Quad, 36 Leaf)
MA4 with margins                                                         1E8 with margins
SMA4 (297x210mm, 5mm Quad, 32 Leaf)                          1J8  (297x210mm, 5mm Quad, 36 Leaf)
QB (255x205mm, 7mm Quad, 32 Leaf)*                             1E5 (225x205mm, 7mm Quad, 36 Leaf)
UA4 (297x210mm, Unruled, 32 Leaf)                                1A8 (297x210mm, Unruled, 36 Leaf)
UB (255x205mm, Unruled, 36 Leaf)                                  1A5 (255x205mm, Unruled, 40 Leaf)
NB (165x100mm, 7mm Ruled, 28 Leaf)                              3B1 (165x100mm, 7mm Ruled, 32 Leaf)
SWB (230x180mm, 12mm Ruled, 20 Leaf)                          1F4 (230x180mm, 12mm Ruled, 24 Leaf)
SJWB (230x180mm, 14mm, 7mm Feint, 24 Leaf)                 BWB (230x180mm, 14mm, 7mm Feints, 32 Leaf)
JWB (255x205mm, 14mm, 7mm Feint, 40 Leaf)                   LWB (255x205mm, 14mm, 7mm Feints, 32 Leaf)
JWBJ (127x205mm, 14mm, 7mm Feint, 24 Leaf)                  1B2 (125x202mm, 14mm, 7mm Feints, 24 Leaf)*
IWB (255x205mm, 9mm Ruled, 36 Leaf)                             1I5 (255x205mm, 9mm Ruled, 40 Leaf)
WA4 (297x210mm, 7mm Ruled, 32 Leaf)                             1B8 (297x210mm, 7mm Ruled, 36 Leaf)
TLB (230x180mm, 7mm Ruled, 28 Leaf)                              1B4 (230x180mm, 7mm Ruled, 32 Leaf)
1LA4 (297x210mm, 9mm Ruled)                                          1I8 (297x210mm, 9mm Ruled)
LSBK (255x205mm, 1/3 Blank, 12mm Ruled)                       1U5 (255x205mm, 1/3 Blank, 12mm Ruled)
SBK (230x180mm, 12mm Ruled, 1/3 Blank, 20 Leaf)            1U4 (230x180mm, 12mm Ruled, 1/3 Blank, 24 Leaf)
SBKA4 (297x210mm, 12mm, 99mm Unrule, 32 Leaf)            1F8 (297x210mm, 1/3 Blank, 12mm Ruled, 32 Leaf)
JPB (230x180mm,14mm, 7mm Feints, 76mm unruled)        WDB (230x180mm, 14mm Lined, 1/3 Blank, 32 Leaf)
ILP (255x205mm, 9mm Ruled, 32 Leaf)                                 9I5 (255x205mm, 9mm Ruled, 36 Leaf)
SA4 (297x210mm, Alternate Pgs 7mm Ruled & Blank)*       1L5 (255x 205mm, Alternate Pages 7mm Ruled & Blank, 36 Leaf)