Son of Doctor Esker's Notebook (The Sequel)

Hint
Small #1	336	640	431	388	353	209	416	405	155	315
Small #2	334	656	434	403	340	171	407	419	168	296
Small #3	297	636	401	410	355	159	393	407	150	283
Medium #1	329	664	398	404	295	145	393	441	150	299
Medium #2	310	641	343	386	294	145	357	439	141	307
Medium #3	316	655	308	383	238	135	340	443	142	275
Large #1	272	721	320	421	209	159	327	455	162	318
Large #2	254	684	281	425	249	154	287	431	150	299
Large #3	239	569	301	326	222	210	317	439	162	358

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

Hint
Small #1	127	188	171	69	157	111	80	105	141	111
Small #2	117	181	164	63	165	105	79	102	141	110
Small #3	112	187	169	63	159	94	77	108	132	115
Medium #1	114	179	183	76	168	98	84	109	159	117
Medium #2	113	169	191	74	163	94	93	104	152	102
Medium #3	116	171	189	76	159	84	80	104	133	105
Large #1	117	179	210	81	170	78	78	105	109	126
Large #2	79	159	173	80	185	69	87	98	101	131
Large #3	76	162	164	98	156	73	75	71	72	125

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

Hint
Small #1	23	21	28	54	47	51	33	59	71	24
Small #2	23	21	26	50	49	51	32	59	59	24
Small #3	20	20	25	50	46	63	29	57	66	27
Medium #1	21	18	26	57	47	59	31	56	65	28
Medium #2	17	14	26	57	41	47	28	53	67	21
Medium #3	14	14	27	45	38	43	31	48	72	23
Large #1	14	12	27	42	36	51	27	48	53	25
Large #2	12	13	28	32	26	40	23	43	35	24
Large #3	19	19	24	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.