Son of Doctor Esker's Notebook (The Sequel)

Hint
Small #1	337	641	433	389	355	209	417	405	155	315
Small #2	335	658	437	404	342	171	407	419	168	296
Small #3	298	637	402	411	356	159	393	407	150	283
Medium #1	329	665	401	405	296	145	393	441	150	299
Medium #2	310	642	345	387	295	145	357	439	141	307
Medium #3	316	657	310	384	239	135	340	443	142	275
Large #1	272	723	322	422	210	159	327	455	162	318
Large #2	254	686	282	426	250	154	287	431	150	299
Large #3	239	570	302	326	222	210	317	439	162	358

Return of Doctor Esker's Notebook (The Other Sequel)

Hint
Small #1	127	188	171	71	159	112	80	105	141	111
Small #2	117	181	164	64	167	106	79	102	141	110
Small #3	112	187	169	64	161	95	77	108	132	115
Medium #1	114	179	183	78	170	99	84	109	159	117
Medium #2	113	169	191	75	165	95	93	104	152	102
Medium #3	116	171	189	77	161	85	80	104	133	105
Large #1	117	179	210	82	170	79	78	105	109	126
Large #2	79	159	173	81	185	70	87	98	101	131
Large #3	76	162	164	99	156	73	75	71	72	125

Doctor Esker's Notebook IV: The Moroccan Affair
(The Other Other Sequel)

Hint
Small #1	23	22	29	54	47	51	33	59	71	24
Small #2	23	22	27	50	49	51	32	59	59	24
Small #3	20	21	26	50	46	63	29	57	66	27
Medium #1	21	19	27	57	47	59	31	56	65	28
Medium #2	17	15	27	57	41	47	28	53	67	21
Medium #3	14	15	28	45	38	43	31	48	72	23
Large #1	14	13	28	42	36	51	27	48	53	25
Large #2	12	14	29	32	26	40	23	43	35	24
Large #3	19	19	25	36	26	42	30	43	34	34

The hints are sorted by how much help they give you.
The last Large Hint on each page comes very close to just giving you the solution.